What’s Vulnerable › Vulnerabilities

CVE-2023-2376: 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 security vulnerability has been detected in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. The affected element is an unknown function of the component Web Management Interface. The manipulation of the argument dpi leads to command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. There are still doubts about whether this vulnerability truly exists. 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-hotfix3, 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/8
• https://vuldb.com/cve/CVE-2023-2376
• https://vuldb.com/submit/114078
• https://vuldb.com/vuln/227652
• https://vuldb.com/vuln/227652/cti
• https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/8
• https://vuldb.com/?ctiid.227652
• https://vuldb.com/?id.227652

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