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#IOS XR

2 stories taggedIOS XR.

Network infrastructure diagram displayed on a large monitor with nodes highlighted in red, representing affected telecommunications routing systems with severit
Vulnerabilities

Cisco Patches Eight Flaws in Network Software Used by Telecoms Worldwide, Two Rated Near-Maximum Severity

Cisco's own engineers found the vulnerabilities using artificial intelligence tools. No fixes exist beyond the patches, and two of the flaws score 9.8 out of 10 on the standard severity scale.

4 min read
A Cisco Nexus switch rack glowing with network activity indicators, critical warning messages displayed on adjacent monitoring station screens showing code exec
Vulnerabilities

Cisco patches critical Nexus 9000 bug that lets attackers run code as root

A flaw tracked as CVE-2026-20212 scores 9.8 out of 10. Cisco also shipped a bundled fix for seven separate IOS XR bugs, two of them equally severe, with no workaround available.

4 min read
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