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VulnerabilityKnown exploited
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
CVE-2018-0175 · CISA KEV · March 3, 2022
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.
From CISA, quoted as published. Check the source before acting.
What to do
Apply updates per vendor instructions.
CISA required action, quoted.
Affected products
| Vendor | Product |
|---|---|
| Cisco | IOS, XR, and XE Software |
Why it's on these mode pages
- Maritime: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- November 9, 2026: First collected by Watch
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