CVE-2026-2615

high

Description

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.

References

https://vuldb.com/?submit.751047

https://vuldb.com/?id.346265

https://vuldb.com/?ctiid.346265

https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#exp

https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md

Details

Source: Mitre, NVD

Published: 2026-02-17

Updated: 2026-02-17

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

CVSS v4

Base Score: 8.6

Vector: 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

Severity: High