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TI-2016-07547 Aliases CVE-2016-9219GHSA-cf5v-7xgc-j383

Improper input validation in Cisco Wireless LAN Controller

Priority LOW 38CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.

Why it matters now

EPSS 0.03048 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco Wireless LAN ControllerCisco Wireless LAN Controller—No fix listedCNA
  • Cisco Wireless LAN Controller Vendor— Affected Cisco Wireless LAN Controller Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:cisco:wireless_lan_controller_firmware:8.2.121.0:*:*:*:*:*:*:*8.2.121.0VulnerableCisco
cpe:2.3:o:cisco:wireless_lan_controller_software:8.3.102.0:*:*:*:*:*:*:*8.3.102.0VulnerableCisco
cpe:2.3:h:cisco:wireless_lan_controller:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:wireless_lan_controller_firmware:8.2.121.0:*:*:*:*:*:*:* Versions 8.2.121.0 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:wireless_lan_controller_software:8.3.102.0:*:*:*:*:*:*:* Versions 8.3.102.0 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:wireless_lan_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9219
  2. 2026-10-03 Alias added: GHSA-cf5v-7xgc-j383

References

Advisory 1

  • TI-2017-02951 Improper authentication in Cisco Meshed Wireless LAN Controller CVSS 3.1HIGH 8.8
  • TI-2017-02929 Access control flaw in Cisco Wireless LAN Controller CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences