CVE-2014-3293: Cisco ASR901

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sending many crafted IPv4 packets, aka Bug ID CSCuo29736.

Affected products

• Cisco ASR901
• Cisco IOS: version 15.4(3)s0b only

Published 2014-10-28. Last modified 2026-06-17.