Cisco Patches a Dozen Critical Vulnerabilities
Cisco patched 35 flaws, including more than a dozen critical bugs, and reports no known exploitation.
66
Product
Nexus 9000
- Mentions · 7d0
- Mentions · 30d5
- All mentions9
- First seenSep 2, 2026
- Last mentioned22d ago
Timeline
9 articles · newest firstCisco warns of critical flaws allowing Nexus switch takeover
Cisco disclosed five critical NX-OS flaws that can give root code execution on Nexus 3000 and 9000 switches.
82
Critical Cisco Nexus Switch Vulnerabilities Allow Unauthenticated Attackers to Execute Code as Root
Cisco disclosed three critical unauthenticated root code-execution flaws in Nexus 3000 and 9000 switches.
76
Critical Cisco Nexus Flaws Let Unauthenticated Attackers Execute Code With Root Privileges
Cisco fixed three critical unauthenticated NX-OS flaws that can give root on Nexus 3000 and 9000 switches.
76
Cisco Nexus 3000 and 9000 Series Switches NGOAM Remote Code Execution Vulnerabilities
Cisco warns NGOAM flaws in NX-OS on Nexus 3000 and 9000 switches allow unauthenticated remote root code execution.
74
Cisco Advance Notification for Publication of October 7, 2026, Security Advisories
Cisco will publish October 7 security advisories and hardening fixes for NX-OS, Meraki, APIC, and related products.
30
Cisco searched for IOS XR bugs and found so many it rolled them into an update release
Cisco patched three critical flaws, including CVE-2026-20212 unauthenticated remote root code execution in Nexus 9000 switches; no exploitation observed yet.
65
Critical Cisco Nexus 9000 Flaw Lets Unauthenticated Remote Attackers Run Code as Root
Cisco patches critical CVE-2026-20212 (CVSS 9.8) in Nexus 9000 switches allowing unauthenticated remote root code execution, plus IOS XR hardening release.
88
Cisco Advance Notification for Publication of September 2, 2026, Security Advisories
Cisco PSIRT published September 2, 2026 advisories including critical IOS XR hardening fixes and a Nexus 9000 remote code execution flaw.
25
Related CVEs
by mentions- CVE-2026-20212<1%9.8Unauthenticated RCE in Cisco Nexus 9000 Switches with Silicon One Integration
- Unauthenticated root RCE in Cisco NX-OS NGOAM
- Unauthenticated root RCE in Cisco NX-OS NGOAM
- Unauthenticated root RCE in Cisco NX-OS SRv6 NGOAM
- CVE-2026-20279<1%9.8Critical Improper Access Control in Cisco IOS XR Software
- CVE-2026-20274<1%9.8Critical Improper Resource Control Flaws in Cisco IOS XR Software
- CVE-2026-7648210.0Improper input verification in Cisco License On-Prem
- Unauthenticated root RCE in Cisco NX-OS NX-API
- Unauthenticated RCE in Cisco NX-OS MPLS OAM (Nexus 3000/9000)
- CVE-2026-20275<1%8.8Incorrect Calculation Vulnerabilities in Cisco IOS XR Software
Appears with
- Ciscovendor · 9
- Nexus 3000product · 6
- Cisco NX-OSproduct · 4
- Ciscoorganization · 4
- IOS XRproduct · 3
- NGOAMproduct · 3
- NX-OSproduct · 3
- Cisco PSIRTorganization · 2
- Cisco APICproduct · 2
- Cisco Merakiproduct · 1
- MDS 9000product · 1
- Cisco License On-Premproduct · 1
- Desk Phone 9800 Seriesproduct · 1
- Cisco 8000 Seriesproduct · 1
- NCS 5700 Seriesproduct · 1
- Silicon Oneproduct · 1
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