Buffer Management Vulnerabilities in Cisco Networking Products
CVE-2026-76464

9.6CRITICAL

Key Information:

Vendor

Cisco
Status
Cisco Campus Gateway Software
Cisco Meraki Mr Wireless Access Points Software
Cisco Meraki Mv Firmware
Cisco Meraki Mx Firmware
Vendor
CVE Published:
7 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-76464?

Cisco's networking engineering team has implemented a software hardening release to address buffer management vulnerabilities. These vulnerabilities stem from improper handling of data buffers, which could lead to potential security risks. This proactive approach aims to strengthen the resilience of Cisco's networking products and improve overall security.

Affected Version(s)

Cisco Campus Gateway Software CG 33.1.3

Cisco Meraki MR Wireless Access Points Software MR 33.1.2

Cisco Meraki MR Wireless Access Points Software MR 30.6

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.