CVE-2026-2567

HIGH EPSS 47.0%
Published Feb 16, 20264mo ago · Modified Jun 17, 20261w ago
7.3 CVSS 4.0
High
Find Similar
Published Feb 16, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

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
47.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
wavlinkwl-nu516u1_firmware* ≤2025-12-08
wavlinkwl-nu516u1*any

References 4

  • github.com https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.346174
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.346174
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.752016
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.