CVE-2022-35518 Command injection in n/a

Medium 4.6 Published 9 Aug 2022 Updated 20 Oct 2025

Attackers can execute arbitrary commands on WAVLINK routers via unsanitized parameters in the nas.cgi script.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-35518?

CVE-2022-35518 is a medium-severity command injection vulnerability in n/a, published on 9 Aug 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 nas.cgi has no filtering on parameters: User1Passwd and User1, which leads to command injection in page /nas_disk.shtml.

Weakness: CWE-77

Which versions are affected by CVE-2022-35518?

It affects 5 products.

Products include Wavlink Wn530h4 Firmware, Wavlink Wn531p3 Firmware, Wavlink Wn533a8 Firmware, Wavlink Wn535g3 Firmware, Wavlink Wn572hp3 Firmware.

How do I fix CVE-2022-35518?

No fix has been published for CVE-2022-35518 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-2022-35518 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-35518 exists.

Sources

Also known as GHSA-5gm8-48xh-mxjm.