CVE-2026-44096: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Phoenix Contact CHARX SEC-3150
A privilege escalation vulnerability in udhcpc allows a local user "charx-web" to execute arbitrary commands as root, resulting in full system compromise.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-44096) involves improper neutralization of special elements used in an OS command within the udhcpc component of Phoenix Contact CHARX SEC-3150. A local user with the "charx-web" privilege can exploit this flaw to escalate privileges to root by executing arbitrary commands, resulting in full system compromise. The issue is categorized under CWE-78 (OS Command Injection). The affected version is exactly 1.0.0. No vendor advisory or patch information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows a local user with limited privileges (charx-web) to execute arbitrary commands as the root user. This results in complete control over the affected system, enabling full system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for any suspicious activity related to the charx-web user account.
CVE-2026-44096: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Phoenix Contact CHARX SEC-3150
Description
A privilege escalation vulnerability in udhcpc allows a local user "charx-web" to execute arbitrary commands as root, resulting in full system compromise.
CVSS v4.0
Score 8.5high
Affected software
pkg:deb/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 (CVE-2026-44096) involves improper neutralization of special elements used in an OS command within the udhcpc component of Phoenix Contact CHARX SEC-3150. A local user with the "charx-web" privilege can exploit this flaw to escalate privileges to root by executing arbitrary commands, resulting in full system compromise. The issue is categorized under CWE-78 (OS Command Injection). The affected version is exactly 1.0.0. No vendor advisory or patch information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows a local user with limited privileges (charx-web) to execute arbitrary commands as the root user. This results in complete control over the affected system, enabling full system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for any suspicious activity related to the charx-web user account.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERTVDE
- Date Reserved
- 2026-05-05T10:48:08.226Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6afbbf9c2644c7f8b72346
Added to database: 07/30/2026, 07:22:39 UTC
Last enriched: 07/30/2026, 07:39:51 UTC
Last updated: 07/31/2026, 02:51:53 UTC
Views: 9
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