High severity · published Jul 8, 2025
CVE-2025-41666
Phoenix Contact: File access due to the replacement of a critical file used by the watchdog
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A low privileged remote attacker with file access can replace a critical file used by the watchdog to get read, write and execute access to any file on the device after the watchdog has been initialized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
AXC F 1152 · PHOENIX CONTACT
before 2025.0.2 · source: vendor
AF
AXC F 2152 · PHOENIX CONTACT
before 2025.0.2 · source: vendor
AF
AXC F 3152 · PHOENIX CONTACT
before 2025.0.2 · source: vendor
B9
BPC 9102S · PHOENIX CONTACT
before 2025.0.2 · source: vendor
R4
RFC 4072S · PHOENIX CONTACT
before 2025.0.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-41666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-41666
certvde.com
https://certvde.com/en/advisories/VDE-2025-054
More from AXC F 1152
9.8
CVE-2025-41769
Unauthenticated Buffer Overflow in PROFINET Service
8.8
CVE-2025-41669
Insufficient Verification of Data Authenticity
8.8
CVE-2025-41668
Phoenix Contact: File access due to the replacement of a critical file used by the service security-profile
8.8
CVE-2025-41667
Phoenix Contact: File access due to the replacement of a critical file used by the arp-preinit script
7.8
CVE-2025-41670
Untrusted Search Path