Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-9219

20
FAUCET Score

CVE-2016-9219 describes a vulnerability in Cisco Wireless LAN Controller (WLC) Software versions 8.2.121.0 and 8.3.102.0, stemming from incomplete IPv6 UDP header validation during ingress packet processing. An unauthenticated, remote attacker can exploit this by sending a crafted IPv6 UDP packet to a specific port, leading to an unexpected device reload. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and can significantly impact device availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.2.121.0CPE matchmatch criteria
cpe:2.3:o:cisco:wireless_lan_controller_firmware:8.2.121.0:*:*:*:*:*:*:*
8.3.102.0CPE matchmatch criteria
cpe:2.3:o:cisco:wireless_lan_controller_software:8.3.102.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.05%
Probability of exploitation in next 30 days
EPSS Percentile
86.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0305 is in the 75th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc2
Vendor Advisory
securityfocus.com / bid/97423
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038183