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CVE-2026-3704

Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection

Published: Mar 8, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
4.5%
Top 9.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
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

NU516U1WavlinkNetworking Infrastructure
wl-nu516u1 firmwarewavlinkNetworking Infrastructure
wavlinkcommercialCNNetworking Infrastructureaka wavlink

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://vuldb.com/?id.349650
vuldb.com
https://vuldb.com/?ctiid.349650
vuldb.com
https://vuldb.com/?submit.759233
vuldb.com
and 3 more references View all →

Timeline

Published
Mar 8, 2026
Last Updated
Apr 29, 2026

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