Cisco Nexus 3000 and 9000 Switches MPLS OAM Flaw Allows Root RCE
Cisco disclosed a critical vulnerability, CVE-2026-76465, in the MPLS OAM feature of NX-OS Software for Nexus 3000 and 9000 Series Switches. Improper validation of MPLS echo-request packets lets an unauthenticated remote attacker execute arbitrary code with root privileges or cause a denial of service. Cisco released software updates; no workarounds exist.
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