CVE-2026-75013 TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference
Remote attackers can cause a denial of service in TOTOLINK EX1200L devices via a null pointer dereference in the setWizardCfg function.
- 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-2026-75013?
CVE-2026-75013 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 vulnerability was detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation results in null pointer dereference. The attack can be launched remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2026-75013?
How do I fix CVE-2026-75013?
No fix has been published for CVE-2026-75013 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75013 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75013 exists.
Sources
Also known as GHSA-fvc4-6443-69v6.