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UNKNOWNKNOWN EXPLOITED

CVE-2018-0173

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

Published
2022-03-03
Modified
2026-07-31
Sources
cisa-kev

Summary

A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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