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CVE

CWE

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CVE-2026-3661

Published: Mar 7, 2026

Modified: Mar 11, 2026

PUBLISHED

CVSS v3.1

4.7

MEDIUM

Description

A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

Vendor	Product	Versions
Wavlink	WL-NU516U1	affected `240425`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-349550 | Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection

vdb-entry

technical-description

VDB-349550 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #758227 | wavlink WL-NU516U1-A M16U1_V240425 Command Injection

third-party-advisory

https://github.com/jinhao118/cve/blob/main/WAVLINK_1.md

exploit

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