Unrated severityCISA KEVNVD Advisory· Published Mar 28, 2018· Updated Jan 12, 2026
CVE-2018-0156
CVE-2018-0156
Description
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- www.securityfocus.com/bid/103569mitrevdb-entryx_refsource_BID
- www.securitytracker.com/id/1040596mitrevdb-entryx_refsource_SECTRACK
- ics-cert.us-cert.gov/advisories/ICSA-18-107-04mitrex_refsource_MISC
- ics-cert.us-cert.gov/advisories/ICSA-18-107-05mitrex_refsource_MISC
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smimitrex_refsource_CONFIRM
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