Vulnerability · Published Jul 30, 2026 · Assigned by CERTVDE

CVE-2026-44092Missing input validation / stripping of CRLF characters in SystemConfigManager

Critical 9.1

In plain English

A critical-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 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.7%top 47.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss.

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-93 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References