CVE-2026-3613

HIGH EPSS 48.8%
Published Mar 6, 20263mo ago · Modified Jun 17, 20261w ago
7.3 CVSS 4.0
High
Find Similar
Published Mar 6, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
48.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121

Affected Products 2

VendorProductVersionRange
wavlinkwl-nu516u1_firmwarem16u1_v240425any
wavlinkwl-nu516u1*any

References 4

  • github.com https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/ipaddr_Stack%20Buffer%20Overflow.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.349221
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.349221
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.755341
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.