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TI-2018-00401 Aliases CVE-2018-0442GHSA-3gr8-wv6w-r2h8

Information disclosure in Cisco Wireless LAN Controller

Priority MEDIUM 45CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information. The vulnerability is due to insufficient condition checks in the part of the code that handles CAPWAP keepalive requests. An attacker could exploit this vulnerability by sending a crafted CAPWAP keepalive packet to a vulnerable Cisco WLC device. A successful exploit could allow the attacker to retrieve the contents of device memory, which could lead to the disclosure of confidential information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03345 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Wireless LAN Controller (WLC)all versions—No fix listedCNA
  • Cisco Wireless LAN Controller (WLC) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*before 8.2.170.0; 8.3 to before 8.3.140.0; 8.4 to before 8.5.110.0; 8.6 to before 8.6.101.0; 8.7 to before 8.7.102.0VulnerableCisco
  • cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* Versions before 8.2.170.0; 8.3 to before 8.3.140.0; 8.4 to before 8.5.110.0; 8.6 to before 8.6.101.0; 8.7 to before 8.7.102.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0442
  2. 2026-10-03 Alias added: GHSA-3gr8-wv6w-r2h8

References

Advisory 1

  • TI-2019-11388 Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2016-01254 Buffer overflow in the redirection functionality in Cisco Wireless LAN Controller (WLC)… CVSS 3.1CRITICAL 9.8
  • TI-2018-00213 Resource management flaw in Cisco Wireless LAN Controller CVSS 3.0HIGH 8.6
  • TI-2007-01958 The SNMP implementation in the Cisco Wireless LAN Controller (WLC) before 20070419 uses… CVSS 2.0HIGH 10.0
  • TI-2015-05301 Cisco Wireless LAN Controller (WLC) devices with software 7.6.x, 8.0 before 8.0.121.0… CVSS 3.0CRITICAL 9.8
  • TI-2014-00660 Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS… CVSS 2.0HIGH 10.0
See all 87 →

Sources

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