Improper privilege management in Zyxel ATP series firmware
Priority LOW 24CWE-269Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, VPN series firmware versions 4.30 through 5.37, NWA50AX firmware version 6.29(ABYW.2), WAC500 firmware version 6.65(ABVS.1), WAX300H firmware version 6.60(ACHF.1), and WBE660S firmware version 6.65(ACGG.1), could allow an authenticated local attacker to access the administrator’s logs on an affected device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00212 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Zyxel | ATP series firmware | versions 4.32 through 5.37 | — | No fix listed | CNA |
| Zyxel | USG FLEX series firmware | versions 4.50 through 5.37 | — | No fix listed | CNA |
| Zyxel | USG FLEX 50(W) series firmware | versions 4.16 through 5.37 | — | No fix listed | CNA |
| Zyxel | USG20(W)-VPN series firmware | versions 4.16 through 5.37 | — | No fix listed | CNA |
| Zyxel | VPN series firmware | versions 4.30 through 5.37 | — | No fix listed | CNA |
| Zyxel | NWA50AX firmware | 6.29(ABYW.2) | — | No fix listed | CNA |
| Zyxel | WAC500 firmware | 6.65(ABVS.1) | — | No fix listed | CNA |
| Zyxel | WAX300H firmware | 6.60(ACHF.1) | — | No fix listed | CNA |
| Zyxel | WBE660S firmware | 6.65(ACGG.1) | — | No fix listed | CNA |
- ATP series firmware VendorZyxel Affected versions 4.32 through 5.37 Fixed in — No fix listed CNA
- USG FLEX series firmware VendorZyxel Affected versions 4.50 through 5.37 Fixed in — No fix listed CNA
- USG FLEX 50(W) series firmware VendorZyxel Affected versions 4.16 through 5.37 Fixed in — No fix listed CNA
- USG20(W)-VPN series firmware VendorZyxel Affected versions 4.16 through 5.37 Fixed in — No fix listed CNA
- VPN series firmware VendorZyxel Affected versions 4.30 through 5.37 Fixed in — No fix listed CNA
- NWA50AX firmware VendorZyxel Affected 6.29(ABYW.2) Fixed in — No fix listed CNA
- WAC500 firmware VendorZyxel Affected 6.65(ABVS.1) Fixed in — No fix listed CNA
- WAX300H firmware VendorZyxel Affected 6.60(ACHF.1) Fixed in — No fix listed CNA
- WBE660S firmware VendorZyxel Affected 6.65(ACGG.1) Fixed in — No fix listed CNA
CPE configurations NVD · 61
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* | 4.32 – 5.37 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* | 4.50 – 5.37 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
- cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* Versions 4.32 – 5.37 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* Versions 4.50 – 5.37 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
Show 51 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* | 4.16 – 5.37 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* | 4.30 – 5.37 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa110ax_firmware:*:*:*:*:*:*:*:* | before 6.70\(abtg.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa110ax:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa1123acv3_firmware:*:*:*:*:*:*:*:* | before 6.70\(abvt.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa1123acv3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa210ax_firmware:*:*:*:*:*:*:*:* | before 6.70\(abtd.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa210ax:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa220ax-6e_firmware:*:*:*:*:*:*:*:* | before 6.70\(acco.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa220ax-6e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa50ax_firmware:*:*:*:*:*:*:*:* | before 6.80\(abyw.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa50ax:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa50ax-pro_firmware:*:*:*:*:*:*:*:* | before 6.80\(acge.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa50ax-pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa55axe_firmware:*:*:*:*:*:*:*:* | before 6.80\(abzl.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa55axe:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa90ax_firmware:*:*:*:*:*:*:*:* | before 6.80\(accv.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa90ax:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:nwa90ax-pro_firmware:*:*:*:*:*:*:*:* | before 6.80\(acgf.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:nwa90ax-pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wac500_firmware:*:*:*:*:*:*:*:* | before 6.70\(abvs.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wac500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wac500h_firmware:*:*:*:*:*:*:*:* | before 6.70\(abwa.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wac500h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax510d_firmware:*:*:*:*:*:*:*:* | before 6.70\(abtf.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax510d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax610d_firmware:*:*:*:*:*:*:*:* | before 6.70\(abte.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax610d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax620d-6e_firmware:*:*:*:*:*:*:*:* | before 6.70\(accn.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax620d-6e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax630s_firmware:*:*:*:*:*:*:*:* | before 6.70\(abzd.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax630s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax640s-6e_firmware:*:*:*:*:*:*:*:* | before 6.70\(accm.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax640s-6e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax650s_firmware:*:*:*:*:*:*:*:* | before 6.70\(abrm.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax650s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wax655e_firmware:*:*:*:*:*:*:*:* | before 6.70\(acdo.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wax655e:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wbe660s_firmware:*:*:*:*:*:*:*:* | before 6.70\(acgg.0\) | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wbe660s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
- cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* Versions 4.16 – 5.37 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* Versions 4.30 – 5.37 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa110ax_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abtg.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa110ax:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa1123acv3_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abvt.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa1123acv3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa210ax_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abtd.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa210ax:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa220ax-6e_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(acco.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa220ax-6e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa50ax_firmware:*:*:*:*:*:*:*:* Versions before 6.80\(abyw.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa50ax:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa50ax-pro_firmware:*:*:*:*:*:*:*:* Versions before 6.80\(acge.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa50ax-pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa55axe_firmware:*:*:*:*:*:*:*:* Versions before 6.80\(abzl.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa55axe:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa90ax_firmware:*:*:*:*:*:*:*:* Versions before 6.80\(accv.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa90ax:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:nwa90ax-pro_firmware:*:*:*:*:*:*:*:* Versions before 6.80\(acgf.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:nwa90ax-pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wac500_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abvs.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wac500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wac500h_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abwa.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wac500h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax510d_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abtf.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax510d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax610d_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abte.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax610d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax620d-6e_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(accn.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax620d-6e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax630s_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abzd.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax630s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax640s-6e_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(accm.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax640s-6e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax650s_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(abrm.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax650s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wax655e_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(acdo.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wax655e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wbe660s_firmware:*:*:*:*:*:*:*:* Versions before 6.70\(acgg.0\) Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wbe660s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Zyxel ATP series firmware, NWA50AX firmware and 7 more products — zyxel.com/global/en/support/security-advisories/zyxel-secur…
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2023-04062 Integer overflow in Zyxel ATP series firmwarePriority MEDIUM 41
- TI-2023-17585 Cross-site scripting in Zyxel ATP series firmwarePriority LOW 28
- TI-2023-19359 Buffer overflow in Zyxel ATP series firmwarePriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5797
- 2026-10-03 Alias added: GHSA-x5q7-jv6g-p5gv
References
More Zyxel Nwa110ax Firmware vulnerabilities
- TI-2024-06726 OS command injection in Zyxel NWA1123ACv3 firmware CVSS 3.1CRITICAL 9.8
- TI-2022-09869 Improper input validation in Zyxel USG/ZyWALL series firmware CVSS 3.1HIGH 7.8
- TI-2022-09870 OS command injection in Zyxel USG/ZyWALL series firmware CVSS 3.1HIGH 7.8
- TI-2024-11502 Improper privilege management in Zyxel WBE530 firmware CVSS 3.1HIGH 8.8
- TI-2023-05872 OS command injection in Zyxel ATP series firmware CVSS 3.1HIGH 7.2
- TI-2025-05667 Path traversal in Zyxel NWA50AX PRO firmware CVSS 3.1HIGH 7.2
Sources
- CVE-2023-5797 · CVE Program
- CVE-2023-5797 · NVD
- FIRST EPSS
- GHSA-x5q7-jv6g-p5gv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences