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Fencer Vulns
medium 6.8

CVE-2025-41705 json

Phoenix Contact: WebSocket Message Interception Leaks Webfrontend Credentials

published 2025-10-14 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-34146

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

An unauthenticated remote attacker (MITM) can intercept the websocket messages to gain access to the login credentials for the Webfrontend.

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

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-523 Unprotected Transport of Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.