What’s Vulnerable › Vulnerabilities

CVE-2025-25271: OCPP Backend Configuration via Insecure Defaults

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-08 · updated 2026-06-17
• Weakness: CWE-1188

Description

An unauthenticated adjacent attacker is able to configure a new OCPP backend, due to insecure defaults for the configuration interface.

Affected products

• Phoenixcontact Charx Sec-3000 Firmware: before 1.7.3 — fixed in 1.7.3
• Phoenixcontact Charx Sec-3050 Firmware: before 1.7.3 — fixed in 1.7.3
• Phoenixcontact Charx Sec-3100 Firmware: before 1.7.3 — fixed in 1.7.3
• Phoenixcontact Charx Sec-3150 Firmware: before 1.7.3 — fixed in 1.7.3

How to fix

Upgrade to a fixed version: Phoenixcontact Charx Sec-3000 Firmware 1.7.3; Phoenixcontact Charx Sec-3050 Firmware 1.7.3; Phoenixcontact Charx Sec-3100 Firmware 1.7.3; Phoenixcontact Charx Sec-3150 Firmware 1.7.3. Check the vendor advisory for mitigations.

References

• https://certvde.com/de/advisories/VDE-2025-019

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