CVE-2025-41702

criticalpriority · track · 0OT risk · elevatedEPSS 0.005 · 44 %ileDEEURU
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.52% (44th) EPSS
CVSS 9.8 · critical
Is it mine?
168 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · welotec_psirt

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedwelotec_psirt

    Update egOS to version v1.7.7 or v1.8.2.

  • Mitigationwelotec_psirt

    Temporarily disable the WebGUI or restrict network access to the WebGUI to trusted admin stations.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · info@cert.vde.comexploitability 3.9 · impact 5.9
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Welotec PSIRT
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-321USCWE-321USCWE-321US
05

affected products (168)

Products and version ranges known to be affected.

showing 20 of 168
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • VDE-2025-076Welotec: Hard-coded JWT secret in egOS WebGUI2025-08-26csaf · welotec_psirtDE

    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.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduwelotec_psirtNVDCVE.orgMITRE
published 2025-08-26modified 2026-06-17
09

references (4)

External citations — patches, advisories, analysis.

scry

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