CVE-2026-4960 Tenda AC6 POST Request WizardHandle fromWizardHandle stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC6 router's WizardHandle function via crafted POST requests, potentially leading to code execution or service disruption.
- 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-2026-4960?
CVE-2026-4960 is a high-severity memory corruption vulnerability in Tenda Ac6 Firmware, published on 27 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in Tenda AC6 15.03.05.16. Affected is the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Which versions are affected by CVE-2026-4960?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2026-4960?
No fix has been published for CVE-2026-4960 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-2026-4960 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4960 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-mcgx-8v57-hq28.