CVE-2025-12602 /etc/avahi/services/z9.service can be Arbitrarily Written
Attackers can arbitrarily write to a specific service file, potentially leading to code execution or privilege escalation on affected industrial controllers.
- 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-2025-12602?
CVE-2025-12602 is a low-severity path traversal vulnerability in Azure Access Technology BLU-IC2, published on 1 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
/etc/avahi/services/z9.service can be Arbitrarily Written.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Weakness: CWE-787
Which versions are affected by CVE-2025-12602?
It affects 2 products.
Products include Azure-Access Blu-Ic2 Firmware, Azure-Access Blu-Ic4 Firmware.
How do I fix CVE-2025-12602?
No fix has been published for CVE-2025-12602 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-2025-12602 being exploited?
There is no known exploitation of CVE-2025-12602 in the wild and no public exploit code.
Other vulnerabilities in Azure Access Technology BLU-IC2
Sources
Also known as GHSA-vrg6-vm63-85rh.