CVE-2026-2565

MEDIUM EPSS 50.4%
Published Feb 16, 20264mo ago · Modified Jun 17, 20261w ago
6.6 CVSS 4.0
Medium
Find Similar
Published Feb 16, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
6.6
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/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 High
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
50.4% 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_firmware* ≤2025-12-08
wavlinkwl-nu516u1*any

References 4

  • github.com https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/time_zone.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.346172
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.346172
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.751133
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.