Known Exploited Vulnerability: CVE-2017-3881

Cisco IOS and IOS XE Remote Code Execution Vulnerability

Catalog version: 2026.06.25 Date added: 2022-03-25 Due date: 2022-04-15 CISA catalog

Vendor: Cisco

Product: IOS and IOS XE

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2017-3881

CWEs

cvelogic Threat Intelligence