CVE-2026-44107

Exposed Reboot via Modbus

HIGH

7.5

CVSS Score

Published: July 30, 2026 at 06:53 AM UTC

Updated: July 30, 2026 at 06:22 PM UTC

4 products affected across 1 vendorCHARX SEC-3100CHARX SEC-3000CHARX SEC-3150

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Severity

HIGH7.5

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CHARX SEC-3000 · Phoenix Contact

60%

1.0.0 ≤ v < 1.9.11.0.0

Affected range stops below 1.9.1, so it looks safe — our inference, not a vendor statement

CHARX SEC-3050 · Phoenix Contact

60%

1.0.0 ≤ v < 1.9.11.0.0

Affected range stops below 1.9.1, so it looks safe — our inference, not a vendor statement

CHARX SEC-3100 · Phoenix Contact

60%

1.0.0 ≤ v < 1.9.11.0.0

Affected range stops below 1.9.1, so it looks safe — our inference, not a vendor statement

CHARX SEC-3150 · Phoenix Contact

60%

1.0.0 ≤ v < 1.9.11.0.0

Affected range stops below 1.9.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://www.certvde.com/en/advisories/VDE-2026-008/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCERTVDE

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-749

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