CVE-2026-1637

Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow

CVSS 8.7 HIGHEPSS 0.6%CWE-119 CWE-121

Vexday Risk Score

21Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 8.7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

29 ene 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Productos afectados

Tenda · AC21

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Referencias

https://github.com/LX-LX88/cve/issues/25 https://vuldb.com/?ctiid.343416 https://vuldb.com/?id.343416 https://vuldb.com/?submit.740865 https://www.tenda.com.cn/