{"id":"CVE-2026-19509","state":"PUBLISHED","title":"RDK WebUI DOS vulnerability","description":"Improper input validation in `ajaxSet_wireless_network_configuration.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows an authenticated attacker to cause denial of service via a crafted `ssid_number` parameter.","publishedAt":"2026-08-19T19:28:14.342Z","updatedAt":"2026-08-27T15:31:36.658Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["RDK RDK-B WebUI"],"affected":[{"vendor":"RDK","product":"RDK-B WebUI","versions":[{"version":"rdkb-2025q4-kirkstone","status":"affected"}]}],"references":["https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/","https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19509.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19509","state":"PUBLISHED","datePublished":"2026-08-19T19:28:14.342Z","dateUpdated":"2026-08-27T15:31:36.658Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-08-10T19:14:27.939Z"},"containers":{"cna":{"title":"RDK WebUI DOS vulnerability","descriptions":[{"lang":"en","value":"Improper input validation in `ajaxSet_wireless_network_configuration.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows an authenticated attacker to cause denial of service via a crafted `ssid_number` parameter."}],"affected":[{"vendor":"RDK","product":"RDK-B WebUI","versions":[{"version":"rdkb-2025q4-kirkstone","status":"affected"}]}],"references":[{"url":"https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/"},{"url":"https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-20 Improper Input Validation"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-08-19T19:28:14.342Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.44","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-19509"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T15:31:28.591900Z","id":"CVE-2026-19509","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","type":"CWE","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T15:31:36.658Z"}}]}}}