Security readout for executives and security teams
CVE-2018-0443 affects Cisco Wireless LAN Controller Software. A remote unauthenticated attacker could send malformed CAPWAP discovery traffic that forces associated wireless access points to disconnect and reconnect, briefly interrupting Wi-Fi service. The business impact is availability disruption, not data theft, based on the provided sources. Exposure is most relevant where Cisco WLC Software can receive CAPWAP Discovery Request packets from untrusted networks. The source bundle does not provide affected version ranges, so teams must verify deployed WLC versions against Cisco’s advisory and current vendor guidance. Treat this as a high-priority availability risk for environments dependent on Cisco-managed Wi-Fi. It should be remediated ahead of routine maintenance if controllers serve offices, healthcare, retail, warehouses, or other operations where wireless outages disrupt work. Mitigation focus: Check Cisco’s advisory for affected releases and official fixed software guidance.; Inventory Cisco WLC deployments and confirm whether CAPWAP is reachable from untrusted networks.; Restrict CAPWAP access to trusted AP management paths where operationally possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupCVE-2018-0443 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20181017 Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Denial of Service VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Resource Management Errors
Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.