CVE-2025-0658 Automated Logic and Carrier Zone Controllers malformed packets denial of service
Attackers can crash Automated Logic and Carrier Zone Controllers via malformed BACnet packets, causing permanent unresponsiveness until manual power cycle.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0658?
CVE-2025-0658 is a high-severity denial of service vulnerability in Automated Logic Zone Controllers, published on 27 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Automated Logic and Carrier's Zone Controller via BACnet protocol causes the device to crash. The device enters a fault state; after a reset, a second packet can leave it permanently unresponsive until a manual power cycle is performed.
Weakness: CWE-20
Which versions are affected by CVE-2025-0658?
How do I fix CVE-2025-0658?
No fix has been published for CVE-2025-0658 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-0658 being exploited?
There is no known exploitation of CVE-2025-0658 in the wild and no public exploit code.
Sources
Also known as GHSA-x68q-wm6j-wxhc.