CVE-2025-11091
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Ac21 Firmware
PublishedSep 28, 2025
First seenSep 28, 2025
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda ac21_firmware | v ≤ 16.03.08.16 | — |
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