Buffer overflow in Phoenix Contact Charx Sec-3000
CVE-2025-24004
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Phoenix Contact Charx Sec-3000 — versions 0.0.0
- Phoenix Contact Charx Sec-3050 — versions 0.0.0
- Phoenix Contact Charx Sec-3100 — versions 0.0.0
- Phoenix Contact Charx Sec-3150 — versions 0.0.0
- Phoenixcontact Charx Sec-3000
- Phoenixcontact Charx Sec-3000 Firmware
- Phoenixcontact Charx Sec-3050
- Phoenixcontact Charx Sec-3050 Firmware
- Phoenixcontact Charx Sec-3100
- Phoenixcontact Charx Sec-3100 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- certvde.com/de/advisories/VDE-2025-014 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-24004?
- CVE-2025-24004 is a medium-severity vulnerability in Phoenix Contact Charx Sec-3000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.2/10. Published 2025-07-08.
- How severe is CVE-2025-24004?
- Medium severity. CVSS v3 base score is 5.2 out of 10.
- Is CVE-2025-24004 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.