CVE-2025-41666 Phoenix Contact: File access due to the replacement of a critical file used by the watchdog
A low-privileged remote attacker can replace a watchdog file to gain full read, write, and execute access to any file on the device.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-41666?
CVE-2025-41666 is a high-severity path traversal vulnerability in PHOENIX CONTACT AXC F 1152, published on 8 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-59
Which versions are affected by CVE-2025-41666?
How do I fix CVE-2025-41666?
No fix has been published for CVE-2025-41666 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-41666 being exploited?
There is no known exploitation of CVE-2025-41666 in the wild and no public exploit code.
Sources
Also known as GHSA-6hjq-rgp4-842x.