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CVE-2018-0167: Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Cisco IOS, XR, and XE Software · in CISA KEV since 2022-03-03
2022-03-03added to KEV
2022-03-17federal remediation due date
3.35%EPSS exploit probability (30 days) 88.2th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
1,436days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-119 |
|---|---|
| CVSS vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2018-03-28 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2018-0167.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.