TI-2026-69225 Aliases CVE-2026-76464 GHSA-gmqq-qr7p-pfwh

Buffer management flaws in Cisco Meraki and Campus Gateway software

MEDIUM 42CWE-119Published 2026-10-07 · Updated 2026-11-07

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Cisco Campus Gateway Software from CG 33.1.3, Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware and Cisco Meraki MX Firmware are affected from the listed versions. The flaws are buffer management issues in which operations are not restricted within memory buffer bounds (CWE-119). An unauthenticated attacker on an adjacent network can exploit them without user interaction; the scope changes, and confidentiality, integrity and availability are fully compromised.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00192 8th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Campus Gateway Software	CG 33.1.3	—	No fix listed	CNA
Cisco	Cisco Meraki MR Wireless Access Points Software	MR 33.1.2; MR 30.6; MR 32.1.7; MR 32.2.3; MR 32.2.4; MR 33.1.1	—	No fix listed	CNA
Cisco	Cisco Meraki MV Firmware	4.20; 5.0; 5.1; 5.2; 5.3; 5.4; 5.4.1; 5.5; 5.5.1; 5.6; 5.6.1; 6.0; 6.0.1; 5.6.2; 6.0.2; 6.1; 6.1.1; 6.1.2; 6.2; 6.2.1; 6.2.2; 6.3; 6.3.2; 2.0; 2.1; 2.2; 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9; 3.10; 3.11; 3.12; 3.13; 3.14; 3.15; 3.16; 3.17; 3.18; 3.19; 3.20; 3.21; 3.22; 3.23; 3.24; 3.25; 3.26; 3.27; 3.28; 3.29; 3.30; 3.31; 3.32; 3.33; 3.34; 3.35; 3.36; 4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7; 4.8; 4.9; 4.10; 4.11; 4.12; 4.13; 4.14; 4.15; 4.16; 4.17; 4.18; 4.18.1; 4.19; MV 7.3; MV 7.3.1; MV 7.3.2; MV 7.2.1; MV 7.2.2	—	No fix listed	CNA
Cisco	Cisco Meraki MX Firmware	16.2; 16.3; 16.4; 16.5; 16.6; 17.3; 17.6; 17.7; 17.8; 17.9; 17.10; 18.1; 18.2; 19.1; MX 18.211.2; MX 26.2.1; MX 19.2.8; MX 26.2.2; MX 26.1.4; MX 26.1.5; MX 26.1.6	—	No fix listed	CNA

Cisco Campus Gateway Software VendorCisco Affected CG 33.1.3 Fixed in — No fix listed CNA
Cisco Meraki MR Wireless Access Points Software VendorCisco Affected MR 33.1.2; MR 30.6; MR 32.1.7; MR 32.2.3; MR 32.2.4; MR 33.1.1 Fixed in — No fix listed CNA
Cisco Meraki MV Firmware VendorCisco Affected 4.20; 5.0; 5.1; 5.2; 5.3; 5.4; 5.4.1; 5.5; 5.5.1; 5.6; 5.6.1; 6.0; 6.0.1; 5.6.2; 6.0.2; 6.1; 6.1.1; 6.1.2; 6.2; 6.2.1; 6.2.2; 6.3; 6.3.2; 2.0; 2.1; 2.2; 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9; 3.10; 3.11; 3.12; 3.13; 3.14; 3.15; 3.16; 3.17; 3.18; 3.19; 3.20; 3.21; 3.22; 3.23; 3.24; 3.25; 3.26; 3.27; 3.28; 3.29; 3.30; 3.31; 3.32; 3.33; 3.34; 3.35; 3.36; 4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7; 4.8; 4.9; 4.10; 4.11; 4.12; 4.13; 4.14; 4.15; 4.16; 4.17; 4.18; 4.18.1; 4.19; MV 7.3; MV 7.3.1; MV 7.3.2; MV 7.2.1; MV 7.2.2 Fixed in — No fix listed CNA
Cisco Meraki MX Firmware VendorCisco Affected 16.2; 16.3; 16.4; 16.5; 16.6; 17.3; 17.6; 17.7; 17.8; 17.9; 17.10; 18.1; 18.2; 19.1; MX 18.211.2; MX 26.2.1; MX 19.2.8; MX 26.2.2; MX 26.1.4; MX 26.1.5; MX 26.1.6 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Cisco Campus Gateway Software, Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware or Cisco Meraki MX Firmware.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-07 Threatist record created from CVE-2026-76464
2026-10-07 CISA SSVC decision points changed
2026-10-07 Alias added: GHSA-gmqq-qr7p-pfwh

References

Other 1

cisco-sa-hardening-meraki-os-drbEX9GH

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences