CVE-2016-1409 json
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX…
published 2016-05-29 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2508
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.
Exploit prediction
3.90% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160525-ipv6
vendor-advisory
-
securitytracker.com
/id/1035964
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/90872
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1035965
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1035962
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1036651
vdb-entry
-
huawei.com
/en/psirt/security-advisories/huawei-sa-20160824-01-ipv6-en
third-party-advisory
-
securitytracker.com
/id/1035963
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2016-1409
- NVD CVE-2016-1409
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.