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CVE-2026-3612

Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection

Published: Mar 6, 2026Updated: Mar 6, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
7.2CVSSHIGH
EPSS Score
9.5%
Top 5.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

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
wavlinkcommercialCNNetworking Infrastructureaka wavlink

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source 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
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References

https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md
github.com
https://vuldb.com/?ctiid.349220
vuldb.com
https://vuldb.com/?id.349220
vuldb.com
and 1 more references View all →

Timeline

Published
Mar 6, 2026
Last Updated
Mar 6, 2026

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