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CVE-2026-1637

HIGH

8.8

Description

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.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/29/2026

Derniere modification2/10/2026

Sourcenvd

Observations honeypot0

Produits affectes

tenda:ac21tenda:ac21_firmware

Faiblesses (CWE)

CWE-119CWE-121

References

https://github.com/LX-LX88/cve/issues/25(cna@vuldb.com)

https://vuldb.com/?ctiid.343416(cna@vuldb.com)

https://vuldb.com/?id.343416(cna@vuldb.com)

https://vuldb.com/?submit.740865(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

https://github.com/LX-LX88/cve/issues/25(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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