CVE-2026-2192 Tenda AC9 formGetRebootTimer stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC9 router's reboot timer function, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2192?
CVE-2026-2192 is a high-severity memory corruption vulnerability in Tenda Ac9 Firmware, published on 8 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-2192?
It affects 1 product.
Products include Tenda Ac9 Firmware.
How do I fix CVE-2026-2192?
No fix has been published for CVE-2026-2192 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-2026-2192 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2192 exists.
Other vulnerabilities in Tenda Ac9 Firmware
Sources
Also known as GHSA-838g-pm36-9pfv.