Vulnerability · Published Oct 22, 2025 · Assigned by CERTVDE
CVE-2025-41720Sauter: Arbitrary File Upload
Medium 4.3
In plain English
A medium-severity security flaw 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 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 92.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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-646 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N