Vulnerability Monitor

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CVE-2016-6375

Cisco Wireless LAN Controller (WLC) devices before 8.0.140.0, 8.1.x and 8.2.x before 8.2.121.0, and 8.3.x before 8.3.102.0 allow remote attackers to cause a denial of service (device reload) by sending crafted Inter-Access Point Protocol (IAPP) packets and then sending a traffic stream metrics (TSM) information request over SNMP, aka Bug ID CSCuz40221.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it requires adjacent network access but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 7 products from cisco, from cisco, from cisco and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-09-12T01:59:01.130

Last Modified

2026-05-06T22:30:45.220

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.3 (MEDIUM)

CVSSv2 Vector

AV:A/AC:M/Au:N/C:N/I:N/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

5.5

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cisco	wireless_lan_controller_software	8.0.72.140	Yes
Operating System	cisco	wireless_lan_controller_software	3.0_base	Yes
Operating System	cisco	wireless_lan_controller_software	3.1.59.24	Yes
Operating System	cisco	wireless_lan_controller_software	3.1.105.0	Yes
Operating System	cisco	wireless_lan_controller_software	3.1.111.0	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.78.0	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.116.21	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.150.6	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.150.10	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.171.5	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.171.6	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.185.0	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.193.5	Yes
Operating System	cisco	wireless_lan_controller_software	3.2.195.10	Yes
Operating System	cisco	wireless_lan_controller_software	3.6.0e	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.108	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.155.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.155.5	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.179.8	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.179.11	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.196	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.206.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.217.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.0.219.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.1.171.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.1.181.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.1.185.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.1_base	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.61.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.99.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.112.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.117.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.130.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.173.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.174.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.176.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2.182.0	Yes
Operating System	cisco	wireless_lan_controller_software	4.2_base	Yes
Operating System	cisco	wireless_lan_controller_software	5.0.148.0	Yes
Operating System	cisco	wireless_lan_controller_software	5.0.148.2	Yes
Operating System	cisco	wireless_lan_controller_software	5.1.151.0	Yes
Operating System	cisco	wireless_lan_controller_software	5.1.152.0	Yes
Operating System	cisco	wireless_lan_controller_software	5.1.160.0	Yes
Operating System	cisco	wireless_lan_controller_software	5.2.157.0	Yes
Operating System	cisco	wireless_lan_controller_software	5.2.169.0	Yes
Operating System	cisco	wireless_lan_controller_software	6.0_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.0_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.1_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.2_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.3.101.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.3.103.8	Yes
Operating System	cisco	wireless_lan_controller_software	7.3.112	Yes
Operating System	cisco	wireless_lan_controller_software	7.3_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.4.1.1	Yes
Operating System	cisco	wireless_lan_controller_software	7.4.100	Yes
Operating System	cisco	wireless_lan_controller_software	7.4.100.60	Yes
Operating System	cisco	wireless_lan_controller_software	7.4.110.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.4.121.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.4_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.5.102.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.5.102.11	Yes
Operating System	cisco	wireless_lan_controller_software	7.5_base	Yes
Operating System	cisco	wireless_lan_controller_software	7.6.1.62	Yes
Operating System	cisco	wireless_lan_controller_software	7.6.100.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.6.110.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.6.120.0	Yes
Operating System	cisco	wireless_lan_controller_software	7.6.130.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.0.30220.385	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.100	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.115.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.120.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.0.121.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.1.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.1.104.37	Yes
Operating System	cisco	wireless_lan_controller_software	8.1.111.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.1.122.0	Yes
Operating System	cisco	wireless_lan_controller_software	8.1.130.0	Yes
Operating System	cisco	wireless_lan_controller_software_6.0	182.0	Yes
Operating System	cisco	wireless_lan_controller_software_6.0	188.0	Yes
Operating System	cisco	wireless_lan_controller_software_6.0	196.0	Yes
Operating System	cisco	wireless_lan_controller_software_6.0	199.4	Yes
Operating System	cisco	wireless_lan_controller_software_6.0	202.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	98.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	98.218	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	116.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	220.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	240.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	250.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.0	252.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.1	91.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.2	103.0	Yes
Operating System	cisco	wireless_lan_controller_software_7.4	1.19	Yes
Operating System	cisco	wireless_lan_controller_software_7.4	1.54	Yes
Operating System	cisco	wireless_lan_controller_software_7.4	140.0	Yes
Hardware	cisco	wireless_lan_controller	*	No

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160831-wlc-1 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/92712 ([email protected])
http://www.securitytracker.com/id/1036721 ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160831-wlc-1 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/92712 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1036721 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.