CVE-2026-0269
Received Received - Intake
Memory Corruption in PAN-OS Leading to System Reboot

Publication date: 2026-06-10

Last updated on: 2026-06-10

Assigner: Palo Alto Networks, Inc.

Description
A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
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Meta Information
Published
2026-06-10
Last Modified
2026-06-10
Generated
2026-06-11
AI Q&A
2026-06-11
EPSS Evaluated
N/A
NVD
CVE-2026-0269
EUVD
EUVD-2026-36145
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
palo_alto_networks pan-os *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-754 The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
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Executive Summary

This vulnerability is a memory corruption issue in the processing of tunnel traffic within Palo Alto Networks PAN-OS® software. It allows an authenticated user to send a specially crafted packet that can cause the system to reboot.

If an attacker repeatedly exploits this vulnerability, it can cause the firewall to enter maintenance mode, potentially disrupting normal operations.

It is important to note that Panorama, Cloud NGFW, and Prisma® Access are not affected by this vulnerability.

Impact Analysis

The vulnerability can impact you by allowing an authenticated user to cause unexpected system reboots of the firewall.

Repeated exploitation can force the firewall into maintenance mode, which may lead to service interruptions, reduced network security, and potential downtime.

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