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CVE-2025-25270

Phoenix Contact Charx Sec-3000 Firmware remote code execution

9.8 CRITICALEPSS 0.73%
  1. Published8 Jul 2025

Description

An unauthenticated remote attacker can alter the device configuration in a way to get remote code execution as root with specific configurations.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Phoenix Contact Charx Sec-3000 Firmware< 1.7.3
Phoenix Contact Charx Sec-3050 Firmware< 1.7.3
Phoenix Contact Charx Sec-3100 Firmware< 1.7.3
Phoenix Contact Charx Sec-3150 Firmware< 1.7.3

Remediation

Fixed in
Phoenix Contact Charx Sec-3000 Firmware≥ 1.7.3
Phoenix Contact Charx Sec-3050 Firmware≥ 1.7.3
Phoenix Contact Charx Sec-3100 Firmware≥ 1.7.3
Phoenix Contact Charx Sec-3150 Firmware≥ 1.7.3

References

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Frequently asked

Is CVE-2025-25270 being actively exploited?

CVE-2025-25270 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.73%.

How severe is CVE-2025-25270?

CVE-2025-25270 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2025-25270?

Affected products include Phoenix Contact Charx Sec-3000 Firmware, Phoenix Contact Charx Sec-3050 Firmware, Phoenix Contact Charx Sec-3100 Firmware, Phoenix Contact Charx Sec-3150 Firmware.

How do I fix CVE-2025-25270?

Upgrade affected software to a fixed version, for example Phoenix Contact Charx Sec-3000 Firmware 1.7.3, Phoenix Contact Charx Sec-3050 Firmware 1.7.3, Phoenix Contact Charx Sec-3100 Firmware 1.7.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-25270 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.