CVE-2026-4961: Tenda AC6 POST Request QuickIndex formQuickIndex stack-based overflow
A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-4961?
CVE-2026-4961 has a high severity due to the potential for stack-based buffer overflow, which could lead to remote code execution.
How do I fix CVE-2026-4961?
To fix CVE-2026-4961, upgrade the Tenda AC6 firmware to the latest version provided by the manufacturer.
What does CVE-2026-4961 affect?
CVE-2026-4961 affects the Tenda AC6 router, specifically version 15.03.05.16.
What kind of vulnerability is CVE-2026-4961?
CVE-2026-4961 is a stack-based overflow vulnerability within the formQuickIndex function in the POST Request Handler.
Who is at risk from CVE-2026-4961?
Users of the Tenda AC6 router running the vulnerable firmware version are at risk from CVE-2026-4961.