CVE-2025-11091

moderate-risk
Published 2025-09-28

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.

Do I need to act?

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0.27% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (6)

Exploit https://github.com/maximdevere/CVE2/issues/2
Permissions Required https://vuldb.com/?ctiid.326173
Third Party Advisory https://vuldb.com/?id.326173
Third Party Advisory https://vuldb.com/?submit.661806
Product https://www.tenda.com.cn/
Exploit https://github.com/maximdevere/CVE2/issues/2
36
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal