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CVE-2026-3703

CRITICAL

9.8

Description

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/8/2026

Derniere modification3/10/2026

Sourcenvd

Observations honeypot0

Produits affectes

wavlink:wl-nu516u1wavlink:wl-nu516u1_firmware

Faiblesses (CWE)

CWE-119CWE-787

References

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)

Correlations IOC

Aucune correlation enregistree

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