CVE-2018-0167

CVE-2018-0167

Vendor N/A

Product Cisco IOS, IOS XE, and IOS XR

Weakness CWE-119

KEV Status Known Exploited

Published March 28, 2018

Last update January 12, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

March 28, 2018 CVE published

January 12, 2026 Record updated

External resources

04References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2018-0167 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/119.html CISA KEV Reference https://nvd.nist.gov/vuln/detail/CVE-2018-0167

Related vulnerabilities

01Description

02CISA Required Action

03Disclosure timeline

04References

05Related CVE