CVE-2018-0167
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- IOS, XR, and XE Software
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-119
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-03-03
- Due date
- 2022-03-17
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
3.35% chance of exploitation in the next 30 days (percentile 88th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.