#VU114491 NULL pointer dereference in Cisco Systems, Inc products - CVE-2025-20262

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Main Vulnerability Database Vulnerabilities #VU114491

#VU114491 NULL pointer dereference in Cisco Systems, Inc products - CVE-2025-20262

Published: August 28, 2025


Vulnerability identifier: #VU114491
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20262
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Nexus 3000 Series Switches
Cisco Nexus 9000 Series Switches NX-OS Mode
Cisco NX-OS
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Protocol Independent Multicast Version 6 (PIM6) feature. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links