Vulnerability · Published Oct 22, 2025 · Assigned by CERTVDE

CVE-2025-41722Sauter: Hard-coded Authentication Credentials

High 7.5

In plain English

A high-severity hard-coded credentials in EY-modulo 5 ecos 5 ecos504/505 from Sauter. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 80.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Sauter modulo 6 devices modu680-AS 0.0.0 – before Firmware v3.2.0
Sauter modulo 6 devices modu660-AS 0.0.0 – before Firmware v3.2.0
Sauter modulo 6 devices modu612-LC 0.0.0 – before Firmware v3.2.0
Sauter EY-modulo 5 modu 5 modu524 0.0 – before Firmware v6.0
Sauter EY-modulo 5 modu 5 modu525 0.0 – before Firmware v6.0
Sauter EY-modulo 5 ecos 5 ecos504/505 0.0 – before Firmware v6.0

Weakness: CWE-798 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References