CVE-2025-41702 CRITICAL

CVE-2025-41702: egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass

Vendor Welotec
Product EG400Mk2-D11001-000101
Weakness CWE-321
Published August 26, 2025
Last update August 26, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.

Key dates

02Disclosure timeline

August 26, 2025 CVE published
August 26, 2025 Record updated