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CVE-2026-3703

CRITICAL

9.8

Descricao

A flaw has been found in Wavlink NU516U1 251208. This affects the function sub_401A10 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to out-of-bounds write. The attack may be performed from remote. The exploit has been published and may be used. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/8/2026

Ultima modificacao3/10/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

wavlink:wl-nu516u1wavlink:wl-nu516u1_firmware

Fraquezas (CWE)

CWE-119CWE-787

Referencias

https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt7628-squashfs-sysupgrade.bin(cna@vuldb.com)

https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/ipaddr.md(cna@vuldb.com)

https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/ipaddr.md#exp-exploit--poc(cna@vuldb.com)

https://vuldb.com/?ctiid.349649(cna@vuldb.com)

https://vuldb.com/?id.349649(cna@vuldb.com)

https://vuldb.com/?submit.759226(cna@vuldb.com)

Correlacoes IOC

Sem correlacoes registradas

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