The Web CGI Script on ZyXEL LTE4506-M606 V1.00(ABDO.2)C0 devices does not require…
Priority MEDIUM 43CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
The Web CGI Script on ZyXEL LTE4506-M606 V1.00(ABDO.2)C0 devices does not require authentication, which allows remote unauthenticated attackers (via crafted JSON action data to /cgi-bin/gui.cgi) to use all features provided by the router. Examples: change the router password, retrieve the Wi-Fi passphrase, send an SMS message, or modify the IP forwarding to access the internal network.
Why it matters now
EPSS 0.0169 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zyxel:lte4506-m606_firmware:*:*:*:*:*:*:*:* | before v1.00\(abdo.6\)c0 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:lte4506-m606:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:lte7460-m608_firmware:*:*:*:*:*:*:*:* | before v1.00\(abfr.5\)c0 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:lte7460-m608:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
| cpe:2.3:o:zyxel:wah7706_firmware:*:*:*:*:*:*:*:* | before v1.00\(abbc.11\)c0 | Vulnerable | Zyxel |
| cpe:2.3:h:zyxel:wah7706:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zyxel |
- cpe:2.3:o:zyxel:lte4506-m606_firmware:*:*:*:*:*:*:*:* Versions before v1.00\(abdo.6\)c0 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:lte4506-m606:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:lte7460-m608_firmware:*:*:*:*:*:*:*:* Versions before v1.00\(abfr.5\)c0 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:lte7460-m608:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
- cpe:2.3:o:zyxel:wah7706_firmware:*:*:*:*:*:*:*:* Versions before v1.00\(abbc.11\)c0 Vulnerable ·Zyxel
- cpe:2.3:h:zyxel:wah7706:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28899
- 2026-10-03 Alias added: GHSA-345j-gpg7-fhmx
References
Sources
- CVE-2020-28899 · CVE Program
- CVE-2020-28899 · NVD
- FIRST EPSS
- GHSA-345j-gpg7-fhmx · 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