TI-2026-69230 Aliases CVE-2026-76470 GHSA-c56x-q3cx-9pww

Incorrect calculation flaws in Cisco Meraki and Campus Gateway

LOW 39CWE-682Published 2026-10-07 · Updated 2026-11-07

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Cisco Campus Gateway Software and Cisco Meraki MR, MV and MX firmware contain incorrect calculation flaws (CWE-682) that Cisco found in an internal security review and fixed in a software hardening release. An unauthenticated attacker on an adjacent network can trigger them without user interaction, with high impact to confidentiality, integrity and availability. Listed affected ranges begin at CG 33.1.3 for Campus Gateway Software, MR 30.6 for MR access points, MV 2.0 for MV firmware and MX 16.2 for MX firmware.

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 CVE-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00184 7th 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-2026-76470
2026-10-07 CISA SSVC decision points changed
2026-10-07 Priority changed: MEDIUM → LOW
2026-10-07 Alias added: GHSA-c56x-q3cx-9pww

References

Other 1

cisco-sa-hardening-meraki-os-drbEX9GH

TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0

See all 7059 →

Sources

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