CVE-2025-11091

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
VulDBCNA
8.8 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
tendaac21_firmware
𝑥
≤ 16.03.08.16
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/maximdevere/CVE2/issues/2
https://vuldb.com/?ctiid.326173
https://vuldb.com/?id.326173
https://vuldb.com/?submit.661806
https://www.tenda.com.cn/
https://github.com/maximdevere/CVE2/issues/2