Buffer overflow in Phoenix Contact Charx Sec-3000
CVE-2025-24003
An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (26.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
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
- info@cert.vde.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-24003?
- CVE-2025-24003 is a high-severity vulnerability in Phoenix Contact Charx Sec-3000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.2/10. Published 2025-07-08.
- How severe is CVE-2025-24003?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2025-24003 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.