CVE-2025-41766 HIGH

CVE-2025-41766: Stack buffer overflow on parsing web request

Vendor Mbs
Product UBR-01 Mk II
Weakness CWE-787
Published March 9, 2026
Last update March 9, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A low-privileged remote attacker can trigger a stack-based buffer overflow via a crafted HTTP POST request using the ubr-network method resulting in full device compromise.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 9, 2026 Record updated