{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-19508", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-08-10T19:14:20.637Z", "datePublished": "2026-08-19T19:28:29.196Z", "dateUpdated": "2026-08-27T17:19:56.917Z" }, "containers": { "cna": { "title": "RDK WebUI heap-based buffer overflow vulnerability", "descriptions": [ { "lang": "en", "value": "Heap-based buffer overflow in the multipart form-data parser in `jst_post.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause memory corruption and denial of service, and potentially execute arbitrary code, via a crafted multipart/form-data request." } ], "source": { "discovery": "UNKNOWN" }, "affected": [ { "vendor": "RDK", "product": "RDK-B WebUI", "versions": [ { "status": "affected", "version": "rdkb-2025q4-kirkstone" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer" } ] } ], "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/" } ], "x_generator": { "engine": "VINCE 3.0.44", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-19508" }, "providerMetadata": { "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-08-19T19:28:29.196Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-27T17:19:53.500839Z", "id": "CVE-2026-19508", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T17:19:56.917Z" } } ] } }