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CVE-2025-24004: A physical attacker with access to the device display via USB-C can send a message to the device which trigger

20
Routine
MEDIUM 5.2UPGRADEUPGRADEUPGRADE

CVE-2025-24004 is a medium-severity flaw (CVSS 5.2) affecting charx sec-3000 firmware, charx sec-3050 firmware, charx sec-3100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the stations until they got restarted by the watchdog.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.2 (Medium)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 91%)
CISA exploited listNo
WeaknessCWE-120
Published2025-07-08
Last modified2026-06-17
Publisher (CNA): CERT VDE · Vendor: phoenixcontact

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

phoenixcontact charx sec-3000 firmware UPGRADE
Affected: <= 1.6.5
Fixed in: newer than 1.6.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
phoenixcontact charx sec-3050 firmware UPGRADE
Affected: <= 1.6.5
Fixed in: newer than 1.6.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
phoenixcontact charx sec-3100 firmware UPGRADE
Affected: <= 1.6.5
Fixed in: newer than 1.6.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
phoenixcontact charx sec-3150 firmware UPGRADE
Affected: <= 1.6.5
Fixed in: newer than 1.6.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-24004?

charx sec-3000 firmware: upgrade to newer than 1.6.5; charx sec-3050 firmware: upgrade to newer than 1.6.5; charx sec-3100 firmware: upgrade to newer than 1.6.5. Exact commands for each OS are on this page.

Is CVE-2025-24004 being exploited?

CVE-2025-24004 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-24004 affect?

CVE-2025-24004 affects charx sec-3000 firmware, charx sec-3050 firmware, charx sec-3100 firmware. Severity is medium (CVSS 5.2). A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the stations until they got re

How urgent is CVE-2025-24004?

Priority 20/100. No elevated risk signals yet.

Related CVEs

References

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