CVE-2026-10188 Tenda W12 httpd cgistaKickOff stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda W12 router's httpd service via the staMac argument, potentially leading to code execution.
- 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-2026-10188?
CVE-2026-10188 is a high-severity memory corruption vulnerability in Tenda W12, published on 31 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in Tenda W12 3.0.0.7(4763). This affects the function cgistaKickOff of the file /bin/httpd. Executing a manipulation of the argument staMac can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.
Which versions are affected by CVE-2026-10188?
How do I fix CVE-2026-10188?
No fix has been published for CVE-2026-10188 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-10188 being exploited?
There is no known exploitation of CVE-2026-10188 in the wild and no public exploit code.
Sources
Also known as GHSA-jwrp-439h-fx3w.