What’s Vulnerable › Vulnerabilities

CVE-2023-2377: Ubiquiti EdgeRouter X Web Management command injection

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-28 · updated 2026-07-09
• Weakness: CWE-74

Description

A vulnerability was detected in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. The impacted element is an unknown function of the component Web Management Interface. The manipulation of the argument Name results in command injection. The attack can be launched remotely. The exploit is now public and may be used. There is ongoing doubt regarding the real existence of this vulnerability. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Affected products

• Ui Er-X-Sfp Firmware: before 2.0.9; 2.0.9, 2.0.9-hotfix2, 2.0.9-hotfix3, 2.0.9-hotfix4, 2.0.9-hotfix5, 2.0.9-hotfix6 — fixed in 2.0.9
• Ui Er-X Firmware: before 2.0.9; 2.0.9, 2.0.9-hotfix2, 2.0.9-hotfix4, 2.0.9-hotfix5, 2.0.9-hotfix6 — fixed in 2.0.9

How to fix

Upgrade to a fixed version: Ui Er-X-Sfp Firmware 2.0.9; Ui Er-X Firmware 2.0.9. Check the vendor advisory for mitigations.

References

• https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/9
• https://vuldb.com/cve/CVE-2023-2377
• https://vuldb.com/submit/114081
• https://vuldb.com/vuln/227653
• https://vuldb.com/vuln/227653/cti
• https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/9
• https://vuldb.com/?ctiid.227653
• https://vuldb.com/?id.227653

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