CVE-2025-0116: PAN-OS: Firewall Denial of Service (DoS) Using a Specially Crafted LLDP Frame
First published: Wed Mar 12 2025(Updated: )
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.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Palo Alto PAN-OS | <11.2.5=11.2.0<11.1.8=11.1.0<10.2.14=10.2.0<10.1.14-h11=10.1.0 | 11.2.5 11.1.8 10.2.14 10.2.13-h5 10.1.14-h11 |
| Palo Alto Networks Cloud NGFW | ||
| Palo Alto Networks Prisma Access |
Remedy
If you are not using LLDP, you should disable it to mitigate this issue by performing the following steps in your web interface: 1. Select Network > LLDP. 2. Open LLDP General settings. 3. Disable (uncheck) LLDP.
Remedy
VERSION MINOR VERSION SUGGESTED SOLUTION PAN-OS 11.2 11.2.0 through 11.2.4 Upgrade to 11.2.5 or later PAN-OS 11.1 11.1.7 Upgrade to 11.1.8 or later 11.1.3 through 11.1.6 Upgrade to 11.1.6-h1 or 11.1.8 or later 11.1.0 through 11.1.2 Upgrade to 11.1.2-h18 or 11.1.8 or later PAN-OS 11.0 (EoL) Upgrade to a supported fixed version PAN-OS 10.2 10.2.13 Upgrade to 10.2.13-h5 or 10.2.14 or later 10.2.0 through 10.2.13 Upgrade to 10.2.14 or later PAN-OS 10.1 10.1.0 through 10.1.14 Upgrade to 10.1.14-h11 or later All other older Upgrade to a supported fixed version. unsupported PAN-OS versions
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-0116?
CVE-2025-0116 is classified as a high severity Denial of Service (DoS) vulnerability.
What product versions are affected by CVE-2025-0116?
CVE-2025-0116 affects multiple versions of PAN-OS including 11.2.5, 11.1.8, and 10.2.14 among others.
How can I mitigate the effects of CVE-2025-0116?
To mitigate CVE-2025-0116, it's recommended to upgrade to a patched version of PAN-OS.
What type of attack vector does CVE-2025-0116 utilize?
CVE-2025-0116 can be exploited by an unauthenticated adjacent attacker sending specially crafted LLDP frames.
What are the potential impacts of exploiting CVE-2025-0116?
Exploiting CVE-2025-0116 can lead to unexpected reboots of the affected Palo Alto Networks firewall.
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