CVE-2018-0175
Actively exploited. CVE-2018-0175 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- A format string vulnerability could allow an attacker to cause a denial of service or execute arbitrary code with elevated privileges.
- Who is affected
- Users of Cisco IOS, XR, and XE Software are affected.
- Urgency
- Remediation is critical due to active exploitation and severity of the vulnerability.
- Action
- Apply the latest security updates for Cisco IOS, XR, and XE Software.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2018-0175
Get an email if CVE-2018-0175 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 88% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2018-0175: Cisco IOS, XR, and XE Software Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2018-0175)