What is CVE-2016-1425?

CVE-2016-1425 is a medium-severity vulnerability in Cisco iOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2016-07-03.

How severe is CVE-2016-1425?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Cisco iOS

CVE-2016-1425

Cisco IOS 15.0(2)SG5, 15.1(2)SG3, 15.2(1)E, 15.3(3)S, and 15.4(1.13)S allows remote attackers to cause a denial of service (device crash) via a crafted LLDP packet, aka Bug ID CSCun66735.

Vulnerability class: Buffer Overflow

Published 2016-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Cisco iOS — versions 15.1(2)sg3, 15.1\(2\)sg3, 15.4\(1.13\)s

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securityfocus.com/bid/91545 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160616… (vendor-advisory, Vendor Advisory)
www.securitytracker.com/id/1036129 (vdb-entry)

Frequently asked questions

What is CVE-2016-1425?: CVE-2016-1425 is a medium-severity vulnerability in Cisco iOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2016-07-03.
How severe is CVE-2016-1425?: Medium severity. CVSS v3 base score is 6.5 out of 10.