CVE-2026-0731 TOTOLINK WA1200 HTTP Request cstecgi.cgi null pointer dereference
Remote attackers can cause a denial of service on TOTOLINK WA1200 devices via a null pointer dereference in the HTTP request handler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0731?
CVE-2026-0731 is a medium-severity vulnerability in TOTOLINK WA1200, published on 8 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in TOTOLINK WA1200 5.9c.2914. The impacted element is an unknown function of the file cstecgi.cgi of the component HTTP Request Handler. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-0731?
It affects 2 products.
Products include Totolink Wa1200-Poe, Totolink Wa1200-Poe Firmware.
How do I fix CVE-2026-0731?
No fix has been published for CVE-2026-0731 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-0731 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0731 exists.
Sources
Also known as GHSA-p562-m5vc-8p56.