CVE-2026-44104

ControllerAgent does not perform validation of firmware

Published Jul 30, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Phoenixcontact
Phoenixcontact charx Sec-3000
Phoenixcontact charx Sec-3050
Phoenixcontact charx Sec-3100
Phoenixcontact charx Sec-3150
Vendors & Products Phoenixcontact
Phoenixcontact charx Sec-3000
Phoenixcontact charx Sec-3050
Phoenixcontact charx Sec-3100
Phoenixcontact charx Sec-3150
Type Values Removed Values Added
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.
Title ControllerAgent does not perform validation of firmware
First Time appeared Phoenix Contact
Phoenix Contact charx Sec 3000
Phoenix Contact charx Sec 3050
Phoenix Contact charx Sec 3100
Phoenix Contact charx Sec 3150
Weaknesses CWE-347
CPEs cpe:2.3:o:phoenix_contact:charx_sec_3000:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact:charx_sec_3050:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact:charx_sec_3100:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact:charx_sec_3150:*:*:*:*:*:*:*:*
Vendors & Products Phoenix Contact
Phoenix Contact charx Sec 3000
Phoenix Contact charx Sec 3050
Phoenix Contact charx Sec 3100
Phoenix Contact charx Sec 3150
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}