Ubiquiti EdgeRouter X Web Management command injection
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A vulnerability was identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This vulnerability affects unknown code of the component Web Management Interface. Such manipulation of the argument ecn-up leads to command injection. The attack may be performed from remote. The exploit is publicly available and might be used. The actual existence of this vulnerability is currently in question. The vendor position is that post-authentication issues are not accepted as vulnerabilities.
Why it matters now
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 |
|---|---|---|---|---|---|
| Ubiquiti | EdgeRouter X | 2.0.9-hotfix.0; 2.0.9-hotfix.1; 2.0.9-hotfix.2; 2.0.9-hotfix.3; 2.0.9-hotfix.4; 2.0.9-hotfix.5; 2.0.9-hotfix.6 | — | No fix listed | CNA |
- EdgeRouter X VendorUbiquiti Affected 2.0.9-hotfix.0; 2.0.9-hotfix.1; 2.0.9-hotfix.2; 2.0.9-hotfix.3; 2.0.9-hotfix.4; 2.0.9-hotfix.5; 2.0.9-hotfix.6 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:*:*:*:*:*:*:*:* | before 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:-:*:*:*:*:*:* | 2.0.9 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix1:*:*:*:*:*:* | 2.0.9 hotfix1 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix2:*:*:*:*:*:* | 2.0.9 hotfix2 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix4:*:*:*:*:*:* | 2.0.9 hotfix4 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix5:*:*:*:*:*:* | 2.0.9 hotfix5 | Vulnerable | Ubiquiti |
| cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix6:*:*:*:*:*:* | 2.0.9 hotfix6 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:*:*:*:*:*:*:*:* Versions before 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:-:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix1:*:*:*:*:*:* Versions 2.0.9 hotfix1 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix2:*:*:*:*:*:* Versions 2.0.9 hotfix2 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix4:*:*:*:*:*:* Versions 2.0.9 hotfix4 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix5:*:*:*:*:*:* Versions 2.0.9 hotfix5 Vulnerable ·Ubiquiti
- cpe:2.3:o:ui:edgemax_edgerouter_firmware:2.0.9:hotfix6:*:*:*:*:*:* Versions 2.0.9 hotfix6 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:er-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·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-2023-2373
- 2026-10-03 Alias added: GHSA-m53m-m826-86fg
References
More Ubiquiti Edgemax Edgerouter Firmware vulnerabilities
- TI-2022-21333 A remote code execution vulnerability in EdgeRouters (Version 2.0.9-hotfix.4 and earlier)… CVSS 3.1HIGH 8.8
- TI-2021-05770 Improper certificate validation in EdgeMAX EdgeRouter CVSS 3.1HIGH 7.5
- TI-2023-15306 Buffer overflow in Ubiquiti EdgeRouter CVSS 3.1HIGH 7.5
Sources
- CVE-2023-2373 · CVE Program
- CVE-2023-2373 · NVD
- FIRST EPSS
- GHSA-m53m-m826-86fg · 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