Improper Verification of Cryptographic Signature in Phoenix Contact GmbH products - CVE-2026-44104
Published: July 31, 2026
Vulnerability identifier: #VU140598
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2026-44104
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Affected software:
CHARX SEC-3000
CHARX SEC-3050
CHARX SEC-3100
CHARX SEC-3150
CHARX SEC-3000
CHARX SEC-3050
CHARX SEC-3100
CHARX SEC-3150
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper verification of cryptographic signature within the CharxControllerAgent binary. A remote attacker can install a modified firmware and execute arbitrary code on the system.
How to mitigate CVE-2026-44104
Install updates from vendor's website.