CVE-2018-0175
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2018-0175
Description
Format String vulnerability 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: CSCvd73664.
Severity
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation Context
as of October 17, 2026- CISA added CVE-2018-0175 to the KEV catalog 1,436 days after its CVE record was published.
- It is one of 101 Cisco entries in the CISA KEV catalog, and one of 50 added in 2022.
- Its current EPSS score (3.5%) is higher than that of 14% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| - | Cisco IOS, IOS XE, and IOS XR | Cisco IOS, IOS XE, and IOS XR |
References
6 LinksRecord Details
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Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.