Exploit for Out-of-bounds Write in Paloaltonetworks Pan-Os

CVE-2026-0300 — Palo Alto Networks PAN-OS BOF RCE root...

CVE-2026-0300

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

Siemens RUGGEDCOM APE1808 Devices

SUMMARY A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted...

Exploit for Out-of-bounds Write in Paloaltonetworks Pan-Os

CVE-2026-0300 Overview CVE-2026-0300 is a critical buffer...

PAN-OS RCE Exploit Under Active Use Enabling Root Access and Espionage

Palo Alto Networks has disclosed that threat actors may have attempted to unsuccessfully exploit a recently disclosed critical security flaw as early as April 9, 2026. The vulnerability in question is CVE-2026-0300 CVSS score: 9.3/8.7, a buffer overflow vulnerability in the User-ID Authentication...

Exploit for CVE-2026-0300

PAN-OS CVE-2026-0300 Non-Destructive Exposure Survey Tool...

CVE-2026-0300

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

CVE-2026-0300

CVE-2026-0300 is a buffer-overflow vulnerability in the PAN-OS User-ID Authentication Portal (Captive Portal) that allows unauthenticated remote code execution with root privileges on affected PA-Series and VM-Series firewalls. Exploitation has been observed in the wild when the portal is exposed...

CVE-2026-0300

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

Exploit for CVE-2026-0300

CVE-2026-0300-PANOS Security Rese...

Vulnerability handling in Palo Alto Networks PAN-OS

Palo Alto Networks has identified a vulnerability in PAN-OS, specifically in the User-ID Authentication Portal component of the PA-Series and VM-Series firewalls. The vulnerability involves a buffer overflow in the User-ID Authentication Portal, allowing unauthenticated attackers to execute...

PT-2026-37340

Name of the Vulnerable Software and Affected Versions Palo Alto Networks PAN-OS versions 10.2.0 through 10.2.4 Description A buffer overflow an out-of-bounds write exists in the User-ID Authentication Portal also known as Captive Portal service. This flaw allows an unauthenticated remote attacker...

VulnCheck KEV: CVE-2026-0300

A buffer overflow vulnerability in the User-ID™ Authentication Portal aka Captive Portal service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. T...

Palo Alto Networks PAN-OS 10.2.x / 11.1.x / 11.2.x / 12.1.x Vulnerability

The version of Palo Alto Networks PAN-OS running on the remote host is a vulnerable version of 10.2.x, 11.1.x, 11.2.x, or 12.1.x. It is, therefore, affected by a vulnerability. A buffer overflow vulnerability in the User-ID Authentication Portal aka Captive Portal service of Palo Alto Networks...