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CVE-2025-10963

Wavlink NU516U1 firewall.cgi sub_4016F0 command injection

Published: Sep 25, 2025Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-74
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
6.8%
Top 6.8%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-74CWE-77

Affected Products

Wavlink NU516U1WAVLINK TECHNOLOGY Ltd.
Embedded
Networking Infrastructure / router-switch
NU516U1WavlinkNetworking Infrastructure
wl-nu516u1 firmwarewavlinkNetworking Infrastructure
wavlink technology ltd.commercialCNNetworking Infrastructureaka wavlink
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.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md
github.com
https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md#poc
github.com
https://vuldb.com/?id.325831
vuldb.com
and 2 more references View all →

Timeline

Published
Sep 25, 2025
Last Updated
Apr 29, 2026

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