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CVE-2026-2565

MEDIUM

6.6

Description

A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation is known to be difficult. 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.

CVE Details

CVSS v3.1 Score6.6

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredHIGH

User InteractionNONE

Published2/16/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

wavlink:wl-nu516u1wavlink:wl-nu516u1_firmware

Weaknesses (CWE)

CWE-119CWE-121

References

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

https://vuldb.com/?ctiid.346172(cna@vuldb.com)

https://vuldb.com/?id.346172(cna@vuldb.com)

https://vuldb.com/?submit.751133(cna@vuldb.com)

IOC Correlations

No correlations recorded

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