ACTIVELY EXPLOITED

CVE-2016-6366: Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability

Facts
VendorCisco
ProductAdaptive Security Appliance (ASA)
Actively exploitedYes
Added to CISA KEV24 May 2022
CISA federal deadline14 Jun 2022
Weakness (CWE)CWE-119

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

A buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco ASA software could allow an attacker to cause a reload of the affected system or to remotely execute code.

SOURCES

Other Cisco flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.