CVE-2016-6376· NVD / CVE Program· CNA cisco

The Adaptive Wireless Intrusion Prevention System (wIPS) feature on Cisco Wireless LAN Controller (WLC) devices before 8.0.140.0, 8.1.x and

The Adaptive Wireless Intrusion Prevention System (wIPS) feature on 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 allows remote attackers to cause a denial of service (device restart) via a malformed wIPS packet, aka Bug ID CSCuz40263.

MediumCVSS 6.5 · v3.0—No exploit No fix recorded

Published: Sep 1, 2016
Updated: Jun 16, 2026
EPSS: 0.9% · 59th percentile
CWE: CWE-399

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Action score

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Low priority for now.

CVSS: 26 / 40 · 6.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.9%

Affected systems

Vendor	Product	CPE
cisco	wireless lan controller	cpe:2.3:a:cisco:wireless_lan_controller
cisco	wireless lan controller 6.0	cpe:2.3:a:cisco:wireless_lan_controller_6.0
cisco	wireless lan controller 7.0	cpe:2.3:a:cisco:wireless_lan_controller_7.0
cisco	wireless lan controller 7.1	cpe:2.3:a:cisco:wireless_lan_controller_7.1
cisco	wireless lan controller 7.2	cpe:2.3:a:cisco:wireless_lan_controller_7.2
cisco	wireless lan controller 7.4	cpe:2.3:a:cisco:wireless_lan_controller_7.4

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

cisco wireless lan controller3.0_base
cisco wireless lan controller3.1.105.0
cisco wireless lan controller3.1.111.0
cisco wireless lan controller3.1.59.24
cisco wireless lan controller3.2.116.21
cisco wireless lan controller3.2.150.10
cisco wireless lan controller3.2.150.6
cisco wireless lan controller3.2.171.5
cisco wireless lan controller3.2.171.6
cisco wireless lan controller3.2.185.0
cisco wireless lan controller3.2.193.5
cisco wireless lan controller3.2.195.10
cisco wireless lan controller3.2.78.0
cisco wireless lan controller3.6.0e
cisco wireless lan controller4.0.108
cisco wireless lan controller4.0.155.0
cisco wireless lan controller4.0.155.5
cisco wireless lan controller4.0.179.11
cisco wireless lan controller4.0.179.8
cisco wireless lan controller4.0.196

Same product

cisco: all records

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CVE-2015-0622The Wireless Intrusion Detection (aka WIDS) functionality on Cisco Wireless LAN Controller (WLC) devices allows remote attackers to cause a
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CVE-2013-6684The web framework on Cisco Wireless LAN Controller (WLC) devices does not properly validate configuration parameters, which allows remote au
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Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Someone on the same network segment can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Adjacent
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-399 · Resource Management Errors

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records