CVE-2026-75012 TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference
Remote attackers can cause a denial of service on TOTOLINK EX1200L devices via a null pointer dereference in the password configuration handler.
- 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-2026-75012?
CVE-2026-75012 is a high-severity vulnerability in TOTOLINK EX1200L, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-75012?
How do I fix CVE-2026-75012?
No fix has been published for CVE-2026-75012 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75012 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75012 exists.
Sources
Also known as GHSA-5cj7-v5pc-r7mq.