OpsBuzz

Alert

Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability

Palo Alto Networks PAN-OS contains a vulnerability in parsing and logging malicious DNS packets in the DNS Security feature that, when exploited, allows an

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 2, 2026, 4:51 PMSecurityhigh

Full content

Palo Alto Networks PAN-OS contains a vulnerability in parsing and logging malicious DNS packets in the DNS Security feature that, when exploited, allows an unauthenticated attacker to remotely reboot the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

Vendor: Palo Alto Networks

Product: PAN-OS

Due date: 2025-01-20

Known ransomware use: Unknown

Why it matters

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Related alerts