CVE-2025-0116 PAN-OS: Firewall Denial of Service (DoS) Using a Specially Crafted LLDP Frame
An unauthenticated adjacent attacker can cause a Palo Alto Networks firewall to reboot or enter maintenance mode by sending a specially crafted LLDP frame.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-0116?
CVE-2025-0116 is a medium-severity denial of service vulnerability in Palo Alto Networks Cloud NGFW, published on 12 Mar 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A Denial of Service (DoS) vulnerability in Palo Alto Networks PAN-OS software causes the firewall to unexpectedly reboot when processing a specially crafted LLDP frame sent by an unauthenticated adjacent attacker. Repeated attempts to initiate this condition causes the firewall to enter maintenance mode.
This issue does not apply to Cloud NGFWs or Prisma Access software.
Weakness: CWE-754
Which versions are affected by CVE-2025-0116?
How do I fix CVE-2025-0116?
No fix has been published for CVE-2025-0116 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-2025-0116 being exploited?
There is no known exploitation of CVE-2025-0116 in the wild and no public exploit code.
Sources
Also known as GHSA-c93v-4qmp-8w98.