Ubiquiti EdgeRouter X Web Service denial of service
Priority MEDIUM 41CWE-404Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-404.
Summary
A vulnerability classified as critical has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Service. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-227655.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01289 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:hotfix3:*:*:*:*:*:* | 2.0.9 hotfix3 | 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:o:ui:er-x_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: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_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:hotfix3:*:*:*:*:*:* Versions 2.0.9 hotfix3 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:o:ui:er-x_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: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
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:hotfix3:*:*:*:*:*:* | 2.0.9 hotfix3 | 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:o:ui:er-x-sfp_firmware:2.0.9:hotfix6:*:*:*:*:*:* | 2.0.9 hotfix6 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:er-x-sfp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | 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:hotfix3:*:*:*:*:*:* Versions 2.0.9 hotfix3 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:o:ui:er-x-sfp_firmware:2.0.9:hotfix6:*:*:*:*:*:* Versions 2.0.9 hotfix6 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-2023-2379
- 2026-10-03 Alias added: GHSA-mcpg-92rm-rc27
References
More Ubiquiti Er-x-sfp Firmware vulnerabilities
- TI-2023-02230 Ubiquiti EdgeRouter X Web Management command injection CVSS 4.0HIGH 8.6
- TI-2023-02233 Ubiquiti EdgeRouter X Web Management command injection CVSS 4.0HIGH 8.6
- TI-2023-02232 Ubiquiti EdgeRouter X Web Management command injection CVSS 4.0HIGH 8.6
- TI-2023-02231 Ubiquiti EdgeRouter X Web Management command injection CVSS 4.0HIGH 8.6
- TI-2023-02229 Ubiquiti EdgeRouter X Web Management command injection CVSS 4.0HIGH 8.6
- TI-2023-09710 Code injection in Ubiquiti EdgeRouter and USG CVSS 3.1HIGH 8.8
Sources
- CVE-2023-2379 · CVE Program
- CVE-2023-2379 · NVD
- FIRST EPSS
- GHSA-mcpg-92rm-rc27 · 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