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CVE-2026-3613

Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow

Published: Mar 6, 2026Updated: Mar 6, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
7.2CVSSHIGH
EPSS Score
0.7%
Top 51.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. 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-119CWE-121

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.

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/?id.349221
vuldb.com
https://vuldb.com/?ctiid.349221
vuldb.com
https://vuldb.com/?submit.755341
vuldb.com
and 1 more references View all →

Timeline

Published
Mar 6, 2026
Last Updated
Mar 6, 2026

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