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CVE-2026-2566

HIGH

7.2

Description

A security vulnerability has been detected in Wavlink WL-NU516U1 up to 130/260. This affects the function sub_406194 of the file /cgi-bin/adm.cgi. Such manipulation of the argument firmware_url leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVE Details

CVSS v3.1 Score7.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published2/16/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-121

References

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

https://vuldb.com/?ctiid.346173(cna@vuldb.com)

https://vuldb.com/?id.346173(cna@vuldb.com)

https://vuldb.com/?submit.751908(cna@vuldb.com)

IOC Correlations

No correlations recorded

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