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Phoenix Contact CHARX EUVDEUVD-2026-51044

| CVE-2026-7849 CRITICAL
Command Injection (CWE-77)
2026-07-30 info@cert.vde.com GHSA-4mmh-4692-xw3f
9.3
CVSS 4.0 · Vendor: cert
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Severity by source

Vendor (cert) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.8 CRITICAL

Unauthenticated network command injection with no user interaction (AV:N/AC:L/PR:N/UI:N); code runs as root yielding full C/I/A impact; scope unchanged as it affects the same OS.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (cert).

CVSS VectorVendor: cert

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Jul 30, 2026 - 08:31 vuln.today
Patch available
Jul 30, 2026 - 08:03 EUVD
CVE Published
Jul 30, 2026 - 07:16 cve.org
CRITICAL 9.3

DescriptionCVE.org

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.

AnalysisAI

Remote code execution in Phoenix Contact CHARX SEC series EV charging controllers (SEC-3000/3050/3100/3150, versions 1.0.0 through before 1.9.1) allows an unauthenticated network attacker to inject commands into the system configuration that are subsequently executed with root privileges. The CVSS 4.0 base score of 9.3 reflects network-reachable, no-privilege, no-interaction exploitation with full confidentiality, integrity, and availability impact on the device. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach CHARX config interface over network
Delivery
Send request with command metacharacters
Exploit
Bypass improper neutralization (CWE-77)
Execution
Command written to system configuration
Persist
Configuration processed and executed as root
Impact
Full device compromise

Vulnerability AssessmentAI

Exploitation The description specifies improper neutralization of special elements allowing injection of a command into the system configuration that is then executed as root; the concrete prerequisite is network reachability to the configuration interface of an affected CHARX SEC controller running a version below 1.9.1. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine high-priority issue rather than an inflated CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with network reachability to an unpatched CHARX SEC controller sends a crafted request containing shell metacharacters to the configuration interface, injecting a command that the device writes into and executes as part of its system configuration. Because the process runs as root, the injected command executes with full privileges, letting the attacker take over the charging controller - no authentication, credentials, or user interaction are required. …
Remediation Vendor-released patch: upgrade all affected CHARX SEC-3000/3050/3100/3150 devices to version 1.9.1 or later, which resolves the command injection; consult the CERT@VDE advisory VDE-2026-008 at https://www.certvde.com/en/advisories/VDE-2026-008/ for exact update procedures. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all deployed CHARX SEC controllers (models SEC-3000/3050/3100/3150), document current firmware versions, and network-isolate any systems running versions prior to 1.9.1 from untrusted networks if operationally feasible. …

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EUVD-2026-51044 vulnerability details – vuln.today

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