CVE-2014-3409

Severity: medium (CVSS 6.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-25 · updated 2026-06-17
Weakness: CWE-399

Description

The Ethernet Connectivity Fault Management (CFM) handling feature in Cisco IOS 12.2(33)SRE9a and earlier and IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (device reload) via malformed CFM packets, aka Bug ID CSCuq93406.

Affected products

Cisco IOS: through 12.2\(33\)sre9a
Cisco IOS XE: through 3.13s

References

http://secunia.com/advisories/61799
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3409
http://tools.cisco.com/security/center/viewAlert.x?alertId=36184
http://www.securityfocus.com/bid/70715
http://www.securitytracker.com/id/1031119
https://exchange.xforce.ibmcloud.com/vulnerabilities/97758
http://secunia.com/advisories/61799
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3409
http://tools.cisco.com/security/center/viewAlert.x?alertId=36184
http://www.securityfocus.com/bid/70715
http://www.securitytracker.com/id/1031119
https://exchange.xforce.ibmcloud.com/vulnerabilities/97758

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