CVE-2023-2374 Ubiquiti EdgeRouter X Web Management command injection

High 8.6 Published 28 Apr 2023 Updated 9 Jul 2026

Remote attackers can execute arbitrary commands via the Web Management Interface, though vendor disputes post-authentication issues.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-2374?

CVE-2023-2374 is a high-severity command injection vulnerability in Ubiquiti EdgeRouter X, published on 28 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation of the argument ecn-down results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The existence of this vulnerability is still disputed at present. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2023-2374?

It affects 2 products.

Products include Ui Er-X-Sfp Firmware, Ui Er-X Firmware.

How do I fix CVE-2023-2374?

No fix has been published for CVE-2023-2374 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-2374 being exploited?

There is no known exploitation of CVE-2023-2374 in the wild and no public exploit code.

Sources

Also known as GHSA-p22c-pc6h-vhv3.