CVE-2026-2529 Wavlink WL-WN579A3 wireless.cgi DeleteMac command injection

Medium 5.3 Published 16 Feb 2026 Updated 23 Feb 2026

Remote attackers can execute arbitrary commands via the DeleteMac function in Wavlink WL-WN579A3 routers due to improper input validation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-2529?

CVE-2026-2529 is a medium-severity command injection vulnerability in Wavlink WL-WN579A3, published on 16 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in Wavlink WL-WN579A3 up to 20210219. Affected by this issue is the function DeleteMac of the file /cgi-bin/wireless.cgi. The manipulation of the argument delete_list results in command injection. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-2529?

It affects 1 product.

Products include Wavlink Wl-Wn579a3 Firmware.

How do I fix CVE-2026-2529?

No fix has been published for CVE-2026-2529 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-2026-2529 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2529 exists.

Sources

Also known as GHSA-xjrj-8prq-9366.