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
EPSS: 0.003 (21.5th percentile) — read the EPSS interpretation.
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.
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
- info@cert.vde.com (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.