CVE-2026-44104

ControllerAgent does not perform validation of firmware

State: Published
Severity: 9.3 Critical
Published: Jul 30, 2026
Updated: Jul 30, 2026
Reserved: May 5, 2026

Description

The firmware update process for the basemodule of the charging controller only validates the CRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CERTVDE
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CERTVDE

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
CHARX SEC-3150Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3100Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3050Phoenix Contact	1.0.0 to before 1.9.1Affected
CHARX SEC-3000Phoenix Contact	1.0.0 to before 1.9.1Affected

References

https://www.certvde.com/en/advisories/VDE-2026-008/

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