March 3, 2022 · Applied Cybernetics Group
CVE-2018-0167 — Cisco IOS, XR, and XE Software
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-17- Vendor
- Cisco
- Product
- IOS, XR, and XE Software
- EPSS
- 87.5th percentile (score 0.034, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-0167
CISA short description
There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.
Required action
Apply updates per vendor instructions.