CVE-2026-15513 Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection
Remote attackers can execute arbitrary OS commands via the lan_ip argument in adm.cgi, requiring an upgrade to mitigate.
- 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-2026-15513?
CVE-2026-15513 is a medium-severity command injection vulnerability in Wavlink WL-NU516U1, published on 12 Jul 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-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Which versions are affected by CVE-2026-15513?
How do I fix CVE-2026-15513?
No fix has been published for CVE-2026-15513 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-2026-15513 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15513 exists.
Sources
Also known as GHSA-f39c-wxvq-c7vx.