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Fencer Vulns
high 8.8

CVE-2025-25268 json

Unauthenticated Configuration Access via Exposed API Endpoint

published 2025-07-08 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20404

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

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.

Patch / fix

  • Phoenix Contact CHARX SEC-3150 1.7.3
  • Phoenix Contact CHARX SEC-3100 1.7.3
  • Phoenix Contact CHARX SEC-3050 1.7.3
  • Phoenix Contact CHARX SEC-3000 1.7.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
16 mo ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 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-3150
  • Phoenix Contact CHARX SEC-3100
  • Phoenix Contact CHARX SEC-3050
  • Phoenix Contact CHARX SEC-3000

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

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.