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Tag: firewall vulnerability

3 articles

Network security device on a rack in a brightly-lit data center server room.

State-sponsored hackers exploit Palo Alto Networks firewall zero-day

Palo Alto Networks has issued a warning about a critical zero-day vulnerability, CVE-2026-0300, that allows state-sponsored hackers to exploit its firewalls and execute arbitrary code with root privileges. The company is tracking limited exploitation attempts, linked to a cluster of likely state-sponsored threat activity.

Analyst 207
Network security device on a rack in a clean, bright environment.

Palo Alto Networks Discloses Zero-Day Flaw in PAN-OS Software

Palo Alto Networks has issued a warning about a zero-day flaw in its PAN-OS software, tracked as CVE-2026-0300, which allows unauthenticated remote code execution with root privileges. This buffer overflow vulnerability in the User-ID Authentication Portal poses a high risk to PA-Series and VM-Series firewalls.

Analyst 207
Network equipment and firewall device on a rack with cables, under ordinary lighting.

Palo Alto Networks Flaw Exploited for Remote Code Execution

A critical vulnerability in Palo Alto Networks' PAN-OS software has been exploited, allowing hackers to execute malicious code with root privileges on firewalls - and all it takes is a few specially crafted packets. This buffer overflow flaw, tracked as CVE-2026-0300, puts PA-Series and VM-Series firewalls at risk of remote code execution attacks.

Analyst 207