CVE-2025-41706 json
Phoenix Contact: Webserver Denial of Service through Malformed Content-Length
published last yr. modified 22d ago also EUVD-2025-34148
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
The webserver is vulnerable to a denial of service condition. An unauthenticated remote attacker can craft a special GET request with an over-long content-length to trigger the issue without affecting the core functionality.
Patch / fix
- Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIP VC:07
- Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP VC:07
- Phoenix Contact QUINT4-UPS/24DC/24DC/20/EIP VC:07
- Phoenix Contact QUINT4-UPS/24DC/24DC/40/EIP VC:07
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected products
- Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIP
- Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP
- Phoenix Contact QUINT4-UPS/24DC/24DC/20/EIP
- Phoenix Contact QUINT4-UPS/24DC/24DC/40/EIP
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
Sources
- CVE List CVE-2025-41706
- NVD CVE-2025-41706
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