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CVE-2026-4861

HIGH

8.8

Description

A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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

Publie3/26/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-119CWE-121

References

https://github.com/Wlz1112/WAVLINK-NU516U1-V260227/blob/main/Content-Length.md(cna@vuldb.com)

https://vuldb.com/?ctiid.353192(cna@vuldb.com)

https://vuldb.com/?id.353192(cna@vuldb.com)

https://vuldb.com/?submit.776217(cna@vuldb.com)

Correlations IOC

Aucune correlation enregistree

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