Vulnerability · Published Jul 30, 2026 · Assigned by CERTVDE

CVE-2026-44107Exposed Reboot via Modbus

High 7.5

In plain English

A high-severity security flaw in CHARX SEC-3000 from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 53.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack.

Affected products (as reported)

VendorProductVersions
Phoenix Contact CHARX SEC-3150 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3100 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3050 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3000 1.0.0 – before 1.9.1

Weakness: CWE-749 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References