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Mysterious Palo Alto Firewall Reboots: A Security Nightmare Unfolds


Recent Palo Alto Networks firewall reboots have sparked concerns among administrators and cybersecurity experts about potential zero-day vulnerabilities or malicious exploitation. A patch has been made available to resolve the issue, but its exact cause remains unknown.

  • Palo Alto Networks' firewalls have been experiencing unexpected reboots, leaving administrators and cybersecurity experts puzzled.
  • The issue appears to be caused by specific network traffic, but the exact conditions remain unknown due to security grounds.
  • A patch, hotfix 11.1.4-h12, is available to resolve the issue, but it's only available as a limited release for now.
  • The company has faced several high-profile security incidents in recent months, including hijacking of firewalls and exploitation of zero-day vulnerabilities.
  • Palo Alto Networks aims to release the fix as a generally available update by February 20 or sooner.



  • Palo Alto Networks, a leading provider of next-generation firewalls, has been plagued by a mysterious issue where its firewalls have been rebooting unexpectedly, leaving administrators and cybersecurity experts alike scratching their heads. The phenomenon, which has been reported by multiple customers, appears to be caused by specific network traffic, but the exact conditions under which this occurs remain unknown.

    According to Palo Alto Networks, a patch is available to resolve the issue, but it is only available as a limited release at present. The company has assured that the hotfix 11.1.4-h12 resolves the unexpected reboot issue and was initially shipped with limited availability on January 31. This version was made available to customers requiring immediate resolution, accessible through their account team.

    However, the company's spokesperson declined to detail the traffic conditions that can cause its firewalls to reboot, citing security grounds, or the specifics of the fault itself. This lack of transparency has left many in the cybersecurity community wondering if this is a case of an exploited zero-day vulnerability or something more sinister at play.

    In recent months, Palo Alto Networks has faced several high-profile security incidents, including the hijacking of thousands of its firewalls by miscreants exploiting critical holes. The company's GlobalProtect gateways have also been compromised using a zero-day exploit right now in use. Furthermore, an Iranian state-sponsored group called Pioneer Kitten crew targeted Palo Alto products, as well as many others, leading to a joint warning from the FBI, CISA, and the Department of Defense Cyber Crime Center in the US.

    This latest incident is reminiscent of earlier instances where Palo Alto Networks' firewalls have been exploited by malicious actors. For example, in November last year, thousands of its firewalls were hijacked after two serious flaws were discovered that required no privileges nor user interaction to exploit. Attackers swooped and firewalls started crypto-mining within 24 hours of a fix being released.

    The sudden reboot of Palo Alto Networks' firewalls has raised concerns among administrators and cybersecurity experts alike. As one of the big dogs in the firewall field, Palo Alto's products are a target for criminals, and such unexpected failures can be interpreted as something more malicious going on, such as security bug exploitation or an intrusion.

    Fortunately, there is a fix available to resolve the issue. Palo Alto Networks aims to release this as a generally available (GA) update by February 20 or sooner. This will ensure all systems are fully optimized and secure with the latest updates.

    In conclusion, the mysterious reboot of Palo Alto Networks' firewalls has left many in the cybersecurity community wondering what is at play. While a patch is available to resolve the issue, the exact conditions under which this occurs remain unknown, citing security grounds. As administrators and cybersecurity experts, it is essential to stay vigilant and monitor for any signs of suspicious activity.



    Related Information:

  • https://go.theregister.com/feed/www.theregister.com/2025/02/13/palo_alto_firewall/

  • https://www.msn.com/en-us/news/technology/mysterious-palo-alto-firewall-reboots-youre-not-alone/ar-AA1yXiqW

  • https://www.theregister.com/2025/02/13/palo_alto_firewall/


  • Published: Thu Feb 13 02:05:00 2025 by llama3.2 3B Q4_K_M













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