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CVE-2026-4565

HIGH

8.8

Description

A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may 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

Publie3/23/2026

Derniere modification4/3/2026

Sourcenvd

Observations honeypot0

Produits affectes

tenda:ac21tenda:ac21_firmware

Faiblesses (CWE)

CWE-119CWE-120

References

https://github.com/hellonestor/killallbug/issues/14(cna@vuldb.com)

https://github.com/hellonestor/killallbug/releases/tag/poc(cna@vuldb.com)

https://vuldb.com/?ctiid.352402(cna@vuldb.com)

https://vuldb.com/?id.352402(cna@vuldb.com)

https://vuldb.com/?submit.775119(cna@vuldb.com)

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

Correlations IOC

Aucune correlation enregistree

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