CVE Explorer
CVE-2026-20086
A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper handling of a malformed CAPWAP packet. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful explo
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Cisco IOS XE Software","vendor":"Cisco","versions":[{"status":"affected","version":"17.14.1"},{"status":"affected","version":"17.15.1"},{"status":"affected","version":"17.15.2"},{"status":"affected","version":"17.15.3"},{"status":"affected","version":"17.15.2b"},{"status":"affected","version":"17.15.4"},{"status":"affected","version":"17.15.4d"},{"status":"affected","version":"17.16.1"},{"status":"affected","version":"17.17.1"},{"status":"affected","version":"17.18.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d1758c6832234da4eb334280e491e56bf97d2b8a3230ace545a7180fd679f430 · sha256:23919941b8773470… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d1758c6832234da4eb334280e491e56bf97d2b8a3230ace545a7180fd679f430 · sha256:23919941b8773470… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-230","description":"Improper Handling of Missing Values","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d1758c6832234da4eb334280e491e56bf97d2b8a3230ace545a7180fd679f430 · sha256:23919941b8773470… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-wlc-dos-hnX5KGOm","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dos-hnX5KGOm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d1758c6832234da4eb334280e491e56bf97d2b8a3230ace545a7180fd679f430 · sha256:23919941b8773470… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.