CVE-2026-44091: CWE-501 Trust Boundary Violation in Phoenix Contact CHARX SEC-3150
CVE-2026-44091 is a high-severity vulnerability in Phoenix Contact CHARX SEC-3150 version 1.0.0. An unauthenticated remote attacker can post a malicious ID to the MQTT Broker, causing the system to create a new configuration entry. This behavior can lead to loss of system integrity and availability. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability involves a trust boundary violation (CWE-501) in the Phoenix Contact CHARX SEC-3150 device, specifically version 1.0.0. An attacker without authentication can send a crafted ID to the MQTT Broker component, which results in the creation of unauthorized configuration entries within the system configuration. This can compromise the integrity and availability of the device's configuration, potentially disrupting normal operations. The CVSS 4.0 base score is 8.8, reflecting network attack vector, no required privileges or user interaction, and high impact on integrity and availability. There is no vendor advisory or patch available at this time.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to modify the system configuration by injecting malicious entries via the MQTT Broker. This can lead to loss of integrity and availability of the device, potentially disrupting its intended operation or causing malfunction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the MQTT Broker interface to trusted sources only and monitor for unusual configuration changes if possible.
CVE-2026-44091: CWE-501 Trust Boundary Violation in Phoenix Contact CHARX SEC-3150
Description
CVE-2026-44091 is a high-severity vulnerability in Phoenix Contact CHARX SEC-3150 version 1.0.0. An unauthenticated remote attacker can post a malicious ID to the MQTT Broker, causing the system to create a new configuration entry. This behavior can lead to loss of system integrity and availability. No official patch or remediation guidance is currently available from the vendor.
CVSS v4.0
Score 8.8high
Affected software
pkg:github/phoenix-contact/charx-sec-3150Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a trust boundary violation (CWE-501) in the Phoenix Contact CHARX SEC-3150 device, specifically version 1.0.0. An attacker without authentication can send a crafted ID to the MQTT Broker component, which results in the creation of unauthorized configuration entries within the system configuration. This can compromise the integrity and availability of the device's configuration, potentially disrupting normal operations. The CVSS 4.0 base score is 8.8, reflecting network attack vector, no required privileges or user interaction, and high impact on integrity and availability. There is no vendor advisory or patch available at this time.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to modify the system configuration by injecting malicious entries via the MQTT Broker. This can lead to loss of integrity and availability of the device, potentially disrupting its intended operation or causing malfunction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the MQTT Broker interface to trusted sources only and monitor for unusual configuration changes if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERTVDE
- Date Reserved
- 2026-05-05T10:48:08.225Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6afbbf9c2644c7f8b72337
Added to database: 07/30/2026, 07:22:39 UTC
Last enriched: 07/30/2026, 07:40:47 UTC
Last updated: 07/30/2026, 07:51:59 UTC
Views: 3
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