Auth bypass in Phoenix Contact Charx Sec-3000
CVE-2025-25268
An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting in read and write access due to missing authentication.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (25.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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)
References
- certvde.com/de/advisories/VDE-2025-019 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-25268?
- CVE-2025-25268 is a high-severity vulnerability in Phoenix Contact Charx Sec-3000, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2025-07-08.
- How severe is CVE-2025-25268?
- High severity. CVSS v3 base score is 8.8 out of 10.