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CVE-2025-41702

egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in v1.7.7, v1.8.2, <v1.7.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • Welotec EG400Mk2-D11001-000101

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG400Mk2-D11101-000101

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG503W

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG503L

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG503W_4GB

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG503L_4GB

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG503L-G

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-A11101-000101

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-A11001-000101

    From 0.0.0 · fixed in v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-B11101-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-B11001-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-C11101-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-C11001-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-A12011-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-A11001-000201

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG500Mk2-A21101-000101

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG602W

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG602L

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG603W Mk2

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG603L Mk2

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG802W

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG804W

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG802W_i7_512GB_DinRail

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG802W_i7_512GB_w/o DinRail

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

  • Welotec EG804W Pro

    From 0.0.0 · fixed in <v1.7.7; From v1.8.0 · fixed in v1.8.2

References 1

certvde.com