Unrated severityNVD Advisory· Published Feb 17, 2026· Updated Feb 23, 2026
Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection
CVE-2026-2615
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.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.mdmitreexploit
- vuldb.commitrethird-party-advisory
- github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.mdmitrerelated
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
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