Read the docs
TI-2025-27685 Aliases CVE-2025-41722GHSA-p5c4-4hc3-4fp5

Sauter: Hard-coded Authentication Credentials

Priority LOW 38CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

The wsc server uses a hard-coded certificate to check the authenticity of SOAP messages. An unauthenticated remote attacker can extract private keys from the Software of the affected devices.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Fix Fixed modulo 6 devices modu680-AS (Sauter): Firmware v3.2.0modulo 6 devices modu660-AS (Sauter): Firmware v3.2.0+4 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Sautermodulo 6 devices modu680-AS0.0.0 to before Firmware v3.2.0Firmware v3.2.0Patch availableCNA
Sautermodulo 6 devices modu660-AS0.0.0 to before Firmware v3.2.0Firmware v3.2.0Patch availableCNA
Sautermodulo 6 devices modu612-LC0.0.0 to before Firmware v3.2.0Firmware v3.2.0Patch availableCNA
SauterEY-modulo 5 modu 5 modu5240.0 to before Firmware v6.0Firmware v6.0Patch availableCNA
SauterEY-modulo 5 modu 5 modu5250.0 to before Firmware v6.0Firmware v6.0Patch availableCNA
SauterEY-modulo 5 ecos 5 ecos504/5050.0 to before Firmware v6.0Firmware v6.0Patch availableCNA
  • modulo 6 devices modu680-AS VendorSauter Affected 0.0.0 to before Firmware v3.2.0 Fixed in Firmware v3.2.0 Patch available CNA
  • modulo 6 devices modu660-AS VendorSauter Affected 0.0.0 to before Firmware v3.2.0 Fixed in Firmware v3.2.0 Patch available CNA
  • modulo 6 devices modu612-LC VendorSauter Affected 0.0.0 to before Firmware v3.2.0 Fixed in Firmware v3.2.0 Patch available CNA
  • EY-modulo 5 modu 5 modu524 VendorSauter Affected 0.0 to before Firmware v6.0 Fixed in Firmware v6.0 Patch available CNA
  • EY-modulo 5 modu 5 modu525 VendorSauter Affected 0.0 to before Firmware v6.0 Fixed in Firmware v6.0 Patch available CNA
  • EY-modulo 5 ecos 5 ecos504/505 VendorSauter Affected 0.0 to before Firmware v6.0 Fixed in Firmware v6.0 Patch available CNA

Remediation

  • Fix · CNA modulo 6 devices modu680-AS (Sauter) Fixed in Firmware v3.2.0
  • Fix · CNA modulo 6 devices modu660-AS (Sauter) Fixed in Firmware v3.2.0
  • Fix · CNA modulo 6 devices modu612-LC (Sauter) Fixed in Firmware v3.2.0
  • Fix · CNA EY-modulo 5 modu 5 modu524 (Sauter) Fixed in Firmware v6.0
  • Fix · CNA EY-modulo 5 modu 5 modu525 (Sauter) Fixed in Firmware v6.0
  • Fix · CNA EY-modulo 5 ecos 5 ecos504/505 (Sauter) Fixed in Firmware v6.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Sauter EY-modulo 5 ecos 5 ecos504/505, EY-modulo 5 modu 5 modu524 and 4 more products Firmware v3.2.0, Firmware v6.0

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2025-27686 Sauter: Directory Traversal in importFile SOAP MethodPriority MEDIUM 52
    • TI-2025-27682 Sauter: Improper Validation of user-controlled dataPriority LOW 39
    • TI-2025-27687 Sauter: Crash via Incomplete SOAP RequestPriority LOW 33

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-41722
  2. 2026-10-03 Alias added: GHSA-p5c4-4hc3-4fp5

References

  • TI-2025-27686 Sauter: Directory Traversal in importFile SOAP Method CVSS 3.1CRITICAL 9.8
  • TI-2026-54484 TOCTOU Vulnerability in file exchange CVSS 4.0CRITICAL 9.3
  • TI-2015-06584 Sauter EY-WS505F0x0 moduWeb Vision before 1.6.0 sends cleartext credentials, which allows… CVSS 3.0CRITICAL 9.8
  • TI-2015-06583 Sauter EY-WS505F0x0 moduWeb Vision before 1.6.0 allows remote attackers to bypass… CVSS 3.0HIGH 8.1
  • TI-2025-27682 Sauter: Improper Validation of user-controlled data CVSS 3.1HIGH 8.8
  • TI-2025-27687 Sauter: Crash via Incomplete SOAP Request CVSS 3.1HIGH 7.5
See all 13 →

Sources