CVE-2025-41720

Sauter: Arbitrary File Upload

State: Published
Severity: 4.3 Medium
Published: Oct 22, 2025
Updated: Oct 22, 2025
Reserved: Apr 16, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	CERTVDE

Weaknesses

CWE-646 Reliance on File Name or Extension of Externally-Supplied File

Affected Products

Product	Versions
modulo 6 devices modu680-ASSauter	0.0.0 to before Firmware v3.2.0Affected
modulo 6 devices modu660-ASSauter	0.0.0 to before Firmware v3.2.0Affected
modulo 6 devices modu612-LCSauter	0.0.0 to before Firmware v3.2.0Affected
EY-modulo 5 modu 5 modu524Sauter	0.0 to before Firmware v6.0Affected
EY-modulo 5 modu 5 modu525Sauter	0.0 to before Firmware v6.0Affected
EY-modulo 5 ecos 5 ecos504/505Sauter	0.0 to before Firmware v6.0Affected

References

https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-060.json

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