CVE-2026-3661

MEDIUM

Wavlink WL-NU516U1 240425 - Command Injection

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.349550
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.349550
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.758227

Scores

CVSS v3 4.7
EPSS 0.1086
EPSS Percentile 95.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-74 CWE-77
Status published
Products (1)
wavlink/wl-nu516u1_firmware m16u1_v240425
Published Mar 07, 2026
Tracked Since Mar 07, 2026