CVE-2026-19509

{"id": "CVE-2026-19509", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19509", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-27T15:31:28.591900Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "RDK", "product": "RDK-B WebUI", "versions": [{"status": "affected", "version": "rdkb-2025q4-kirkstone"}]}]}], "published": "2026-08-19T20:17:14.770", "references": [{"url": "https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/", "source": "cret@cert.org"}, {"url": "https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/", "source": "cret@cert.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "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."}], "lastModified": "2026-09-03T17:42:23.907", "sourceIdentifier": "cret@cert.org"}