CVEvulnerability

CVE-2026-2565

6.6 MEDIUM Published 2026-02-16 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 4.0 ([email protected])
6.6 MEDIUM — 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
CVSS 3.1 ([email protected])
6.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:H/Au:M/C:C/I:C/A:C
Weaknesses
CWE-119, CWE-121

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.

Affected configurations

• wavlink wl-nu516u1 firmware (<= 2025-12-08)

Related

Weakness · CWE (2)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-121 Stack-based Buffer Overflow weakness

References