{"cve":"CVE-2019-12257","nvd":{"published":"2019-08-09T18:15:11.320","modified":"2026-06-17T02:14:19.060","status":"Modified","description":"Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/ACK parsing inside ipdhcpc.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-120"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009","https://security.netapp.com/advisory/ntap-20190802-0001/","https://support.f5.com/csp/article/K41190253"],"products":["belden:garrettcom_magnum_dx940e_firmware","belden:hirschmann_hios","netapp:e-series_santricity_os_controller","siemens:ruggedcom_win7000_firmware","siemens:ruggedcom_win7018_firmware","siemens:ruggedcom_win7025_firmware","siemens:ruggedcom_win7200_firmware","siemens:siprotec_5_firmware","sonicwall:sonicos","windriver:vxworks"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-12257","score":0.84297,"percentile":0.99698,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}