UNKNOWNKNOWN EXPLOITED

CVE-2017-12240

Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

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

Summary

The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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