CVE-2017-12240—Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

PUBLISHEDvulnerability record
2022-03-03 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2017-12240
Project:
Cisco
Product:
IOS and IOS XE Software
Date Added:
2022-03-03
Due Date:
2022-03-24
Last Updated:
June 21, 2025

Vulnerability Name

Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2017-12240

Related Weaknesses

browse all CVEs