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Medium 5.3Published Oct 14, 2025
CVE-2025-41707Phoenix Contact: WebSocket Handler Denial of Service
Updated under an hour ago ()
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It affects Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIP and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The websocket handler is vulnerable to a denial of service condition. An unauthenticated remote attacker can send a crafted websocket message to trigger the issue without affecting the core functionality.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERTVDE
- NVD analysis
- Deferred
- Record last updated
- Nov 3, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIP phoenix_contact:quint4_ups_24dc_24dc_5_eip (from the name) | from VC:00 before VC:07 | CNA record |
Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP phoenix_contact:quint4_ups_24dc_24dc_10_eip (from the name) | from VC:00 before VC:07 | CNA record |
Phoenix Contact QUINT4-UPS/24DC/24DC/20/EIP phoenix_contact:quint4_ups_24dc_24dc_20_eip (from the name) | from VC:00 before VC:07 | CNA record |
Phoenix Contact QUINT4-UPS/24DC/24DC/40/EIP phoenix_contact:quint4_ups_24dc_24dc_40_eip (from the name) | from VC:00 before VC:07 | CNA record |
References
- https://certvde.com/de/advisories/VDE-2025-072
- http://seclists.org/fulldisclosure/2025/Oct/12
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.