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Vulnerability · Published Mar 8, 2026 · Assigned by VulDB

CVE-2026-3704Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection

Medium 4.7

In plain English

A medium-severity command injection in NU516U1 from Wavlink. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.6% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)5.6%top 7.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Affected products (as reported)

VendorProductVersions
Wavlink NU516U1 251208

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References