CVE-2017-12232 - CVE House
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Status published Unknown CVE-2017-12232

A vulnerability in the implementation of a protocol in Cisco...

Vulnerability Description

A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Cisco IOS
Vulnerable Versions:
Cisco IOS

Timeline

Official Publish: September 28th, 2017
Last Modified: January 12th, 2026
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)