Critical (9.8) in cisco nx-os. EPSS 8.1% chance of exploitation in the next 30 days.
Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
8.1% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)