Tenda Ac21
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By the Year
In 2026 there have been 0 vulnerabilities in Tenda Ac21. Last year, in 2025 Ac21 had 1 security vulnerability published. Right now, Ac21 is on track to have less security vulnerabilities in 2026 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 1 | 8.80 |
It may take a day or so for new Ac21 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Tenda Ac21 Security Vulnerabilities
Tenda AC21 Buffer Overflow in sscanf (goform/SetStaticRouteCfg) before 16.03.08.16
CVE-2025-11091
8.8 - High
- September 28, 2025
A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.
Classic Buffer Overflow
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