CVE-2026-13516: Tenda JD12L WifiGuestSet fromSetWifiGusetBasic stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-29 · updated 2026-10-25
Weakness: CWE-119

Description

A vulnerability was detected in Tenda JD12L 16.03.53.23. The affected element is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet. Performing a manipulation of the argument shareSpeed results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected products

Tenda JD12L: 16.03.53.23

References

https://github.com/cve-a/Vampirensa/issues/2
https://vuldb.com/cve/CVE-2026-13516
https://vuldb.com/submit/838887
https://vuldb.com/vuln/374524
https://vuldb.com/vuln/374524/cti
https://www.tenda.com.cn/

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