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CVE-2018-0175

High 8.0 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

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.

Metrics

CVSS 3.1
8.0 (HIGH) Score source: NVD CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — exploit probability
3% (percentile: 89) as of 1 November 2026
CWE
CWE-119, CWE-134

Affected products

cisco: ios; cisco: ios xe; cisco: ios xr; rockwellautomation: allen-bradley stratix 8300 industrial managed ethernet switch; rockwellautomation: allen-bradley armorstratix 5700; rockwellautomation: allen-bradley stratix 5400; rockwellautomation: allen-bradley stratix 5410; rockwellautomation: allen-bradley stratix 5700; rockwellautomation: allen-bradley stratix 8000; rockwellautomation: allen-bradley stratix 5900 services router

References