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CVE-2025-41702

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CVE-2025-41702

Published: Aug 26, 2025

Modified: Aug 26, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

VendorProductVersions

Welotec

EG400Mk2-D11001-000101

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG400Mk2-D11101-000101

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG503W

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG503L

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG503W_4GB

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG503L_4GB

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG503L-G

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-A11101-000101

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-A11001-000101

affected
0.0.0 - < v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-B11101-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-B11001-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-C11101-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-C11001-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-A12011-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-A11001-000201

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG500Mk2-A21101-000101

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG602W

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG602L

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG603W Mk2

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG603L Mk2

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG802W

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG804W

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG802W_i7_512GB_DinRail

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG802W_i7_512GB_w/o DinRail

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Welotec

EG804W Pro

affected
0.0.0 - < <v1.7.7
affected
v1.8.0 - < v1.8.2

Weaknesses (CWE)

CWE-321

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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