VDE-2025-076
Last update
26.08.2025 09:00
Published at
26.08.2025 09:00
Vendor(s)
Welotec GmbH
External ID
VDE-2025-076
CSAF Document
Summary
A hard-coded JWT secret in the egOS WebGUI backend is readable to the default user, allowing attackers to forge valid tokens and access protected API endpoints.
Impact
Affected Product(s)
| Model no. | Product name | Affected versions |
|---|---|---|
| WEG500100210 | EG400Mk2-D11001-000101 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100580 | EG400Mk2-D11101-000101 | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100170 | EG500Mk2-A11001-000101 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100290 | EG500Mk2-A11001-000201 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100160 | EG500Mk2-A11101-000101 | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100280 | EG500Mk2-A12011-000101 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100650 | EG500Mk2-A21101-000101 | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100190 | EG500Mk2-B11001-000101 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100180 | EG500Mk2-B11101-000101 | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100270 | EG500Mk2-C11001-000101 | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100260 | EG500Mk2-C11101-000101 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG500100020 | EG503L | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100130 | EG503L-G | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100040 | EG503L_4GB | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100010 | EG503W | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG500100030 | EG503W_4GB | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG600100020 | EG602L | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG600100010 | EG602W | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG600100150 | EG603L Mk2 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG600100140 | EG603W Mk2 | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG800100010 | EG802W | egOS v1.8.0<v1.8.2, egOS <v1.7.7 |
| WEG800100040 | EG802W_i7_512GB_DinRail | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG800100050 | EG802W_i7_512GB_w/o DinRail | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG800100020 | EG804W | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
| WEG800100090 | EG804W Pro | egOS <v1.7.7, egOS v1.8.0<v1.8.2 |
Vulnerabilities
Expand / Collapse all
Published
22.09.2025 14:58
Severity
Weakness
Use of Hard-coded Cryptographic Key (CWE-321)
Summary
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.
References
Revision History
| Version | Date | Summary |
|---|---|---|
| 1.0.0 | 26.08.2025 09:00 | initial version |