CVE-2026-8192 Wavlink NU516U1 adm.cgi wzdap os command injection

Medium 5.3 Published 9 May 2026 Updated 11 May 2026

Remote attackers can execute arbitrary OS commands on Wavlink NU516U1 routers via the adm.cgi interface, potentially compromising the device.

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-2026-8192?

CVE-2026-8192 is a medium-severity command injection vulnerability in Wavlink NU516U1, published on 9 May 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 NU516U1 M16U1_V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wl_Pass is directly passed by the attacker/so we can control the EncrypType/wl_Pass results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-8192?

It affects 1 product.

Products include Wavlink Wl-Nu516u1 Firmware.

How do I fix CVE-2026-8192?

No fix has been published for CVE-2026-8192 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-2026-8192 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8192 exists.

Sources

Also known as GHSA-xgwq-r73w-qq4g.