CVE-2026-2615highCWE-74CWE-77

CVE-2026-2615: high-severity vulnerability in Wavlink WL-NU516U1

Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection

Published · Updated

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

26Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.6epss 13%
A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Wavlink · WL-NU516U1