CVE DATABASE / CVE-2018-0175

CVE-2018-0175

Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

CVSS 8 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED

On the CISA KEV catalog

Confirmed exploited in the wild. Added 2022-03-03. Federal remediation due 2022-03-17.
Required action: Apply updates per vendor instructions.

Summary

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.

CVSS 3.1 breakdown

Base score	8 (HIGH)
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector	ADJACENT_NETWORK
Attack complexity	LOW
Privileges required	NONE
User interaction	REQUIRED
Scope	UNCHANGED
Confidentiality	HIGH
Integrity	HIGH
Availability	HIGH

Weakness type (CWE)

Affected products

Cisco iosCisco ios xeCisco ios xrRockwellautomation allen-bradley stratix 8300 industrial managed ethernet switchRockwellautomation allen-bradley armorstratix 5700Rockwellautomation allen-bradley stratix 5400Rockwellautomation allen-bradley stratix 5410Rockwellautomation allen-bradley stratix 5700Rockwellautomation allen-bradley stratix 8000Rockwellautomation allen-bradley stratix 5900 services router

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References

Data: NIST NVD + CISA KEV. NVD last modified 2026-01-14. Always verify against the vendor advisory before acting.