Code injection in Ubiquiti EdgeRouter and USG
Priority MEDIUM 42CWE-75Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00956 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
- Total
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 |
|---|---|---|---|---|---|
| — | Ubiquiti EdgeRouter(s) and USG(s) | EdgeRouter(s) Version 2.0.9-hotfix.6 or later and USG(s) to Version 4.4.57 or later | — | No fix listed | CNA |
- Ubiquiti EdgeRouter(s) and USG(s) Vendor— Affected EdgeRouter(s) Version 2.0.9-hotfix.6 or later and USG(s) to Version 4.4.57 or later Fixed in — No fix listed CNA
CPE configurations NVD · 52
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ui:usg_firmware:*:*:*:*:*:*:*:* | before 4.4.57 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:usg:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:usg-pro-4_firmware:*:*:*:*:*:*:*:* | before 4.4.57 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:usg-pro-4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-10x_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-10x_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-10x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:o:ui:usg_firmware:*:*:*:*:*:*:*:* Versions before 4.4.57 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:usg:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:usg-pro-4_firmware:*:*:*:*:*:*:*:* Versions before 4.4.57 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:usg-pro-4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-10x_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-10x_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-10x_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-10x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
Show 42 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ui:er-12_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-12:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-12p_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12p_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-12p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-4_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-4_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-6p_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-6p_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-6p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-8-xg_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-8-xg:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:er-x-sfp_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:o:ui:er-12_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-12:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-12p_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12p_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-12p_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-12p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-4_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-4_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-4_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-6p_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-6p_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-6p_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-6p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-8-xg_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-8-xg_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-8-xg:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:er-x-sfp_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:er-x-sfp_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23912
- 2026-10-03 Alias added: GHSA-f52w-ff63-7f4c
References
Sources
- CVE-2023-23912 · CVE Program
- CVE-2023-23912 · NVD
- FIRST EPSS
- GHSA-f52w-ff63-7f4c · 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