CVE-2026-44103

JupiCore does not perform validation of firmware

MEDIUM

5.3

CVSS Score

Published: July 30, 2026 at 06:52 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 0.4%

SSVC

No known exploit

Description

An unauthenticated remote attacker can inject malicious firmware into the internal charging module because the JupiCore service transmits firmware updates without performing integrity or verification check. Successful exploitation may compromise the integrity of the affected device. This vulnerability could be used in chain with CVE-2026-44104.

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-434

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