PT-2026-66432 · Phoenix Contact · Charx Sec-3000+3

CVE-2026-44104 · Published 2026-07-30 · Updated 2026-07-30

NVD

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2026-44104

Affected Products

Charx Sec-3000

Charx Sec-3050

Charx Sec-3100

Charx Sec-3150

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-44104 · Security Note
• https://certvde.com/en/advisories/VDE-2026-008 · Note