CVE-2026-44102

OCPP Firmware download is not properly locked

MEDIUM

5.3

CVSS Score

Published: July 30, 2026 at 06:51 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

MEDIUM5.3

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

An unauthenticated remote attacker can trigger a firmware update download via the OCPP backend by supplying an invalid firmware file. This will cause the file to remain accessible for a short period before it is deleted due to improper locking during the cleanup process.

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

5.3MEDIUMCERTVDE

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

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-362

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