CVE-2025-24003: phoenix contact charx sec-3000 Classic Buffer Overflow
CVSS: 8.2v3.1HighAnalyzed
Published 08-07-2025Last modified 08-07-2025
Vulnerability summary
CVE-2025-24003 is a high (CVSS 8.2) Classic Buffer Overflow vulnerability in phoenix contact charx sec-3000. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.9% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-07-2025PublishedVulnerability first disclosed.
- 08-07-2025Last modifiedVulnerability information updated.
Description
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 for these stations.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HSourcesAll 2 agree
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.06 pp
From 0.34% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Phoenix contact4 products
- charx sec-3000≥ 0.0.0, ≤ 1.6.5
- charx sec-3050≥ 0.0.0, ≤ 1.6.5
- charx sec-3100≥ 0.0.0, ≤ 1.6.5
- charx sec-3150≥ 0.0.0, ≤ 1.6.5
Phoenixcontact4 products
- charx_sec-3000_firmware≤ 1.6.5
- charx_sec-3050_firmware≤ 1.6.5
- charx_sec-3100_firmware≤ 1.6.5
- charx_sec-3150_firmware≤ 1.6.5
2 vendors · 8 products
References
1 links- certvde.com/en/advisories/VDE-2025-014Third Party Advisory