Vulnerability record · CVE-2016-1453 · published 6 October 2016

CVE-2016-1453: Cisco nx-os memory buffer overflow vulnerability

Cisco · Nx Os

Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.

9.8 CVSS 3.1 Critical EPSS 8.1% · top 5.4% CWE-119 · Memory buffer overflow

9.8CVSS 3.1 base score, v2 10.0

8.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Nx Os Cisco

References

Link	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otv	MitigationVendor Advisory
http://www.securityfocus.com/bid/93409	Not ApplicableThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036946	Not ApplicableThird Party AdvisoryVDB Entry
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otv	MitigationVendor Advisory
http://www.securityfocus.com/bid/93409	Not ApplicableThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036946	Not ApplicableThird Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-1453), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.