Phoenix Contact CHARX SEC-3000 up to 1.9.0 os command injection

Summaryinfo

A vulnerability identified as very critical has been detected in Phoenix Contact CHARX SEC-3150, CHARX SEC-3100, CHARX SEC-3050 and CHARX SEC-3000 up to 1.9.0. This affects an unknown part. Performing a manipulation results in os command injection. This vulnerability is identified as CVE-2026-7849. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Phoenix Contact CHARX SEC-3150, CHARX SEC-3100, CHARX SEC-3050 and CHARX SEC-3000 up to 1.9.0. This affects some unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Due to improper neutralization of special elements, an unauthenticated remote attacker is able to inject a command into the system configuration which is subsequently executed as root.

It is possible to read the advisory at certvde.com. This vulnerability is uniquely identified as CVE-2026-7849 since 05/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/30/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 1.9.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-51044). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Phoenix Contact

Name

• CHARX SEC-3000
• CHARX SEC-3050
• CHARX SEC-3100
• CHARX SEC-3150

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9.0

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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