VULNERABILITY INTELLIGENCE

CVE-2013-5546

CVSS score7.8 HIGH
EPSS probability1.89%
CISA KEVNot currently listed
Published2013-10-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references