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CVE-2026-2615

Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection

Published: Feb 17, 2026Updated: Feb 18, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
7.2CVSSHIGH
EPSS Score
8.6%
Top 5.6%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-74CWE-77

Affected Products

WL-NU516U1WavlinkNetworking Infrastructure
wl-nu516u1 firmwarewavlinkNetworking Infrastructure
wavlinkcommercialCNNetworking Infrastructureaka wavlink

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/?id.346265
vuldb.com
https://vuldb.com/?ctiid.346265
vuldb.com
https://vuldb.com/?submit.751047
vuldb.com
and 2 more references View all →

Timeline

Published
Feb 17, 2026
Last Updated
Feb 18, 2026

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