CVE-2025-13258: Tenda AC20 WifiExtraSet buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-17 · updated 2026-10-18
Weakness: CWE-119

Description

A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.

Affected products

Tenda AC20: 16.03.08.12

References

https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md
https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md#poc
https://vuldb.com/?ctiid.332593
https://vuldb.com/?id.332593
https://vuldb.com/?submit.688716
https://www.tenda.com.cn/

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