{"id":"CVE-2019-6258","aliases":["EUVD-2019-15824","GHSA-2jv7-c5x2-xf95"],"status":"published","title":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long...","description":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02617,"percentile":0.85546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-08-18T16:48:40Z","modified":"2026-06-17T02:38:53Z","products":[{"vendor":"d-link","product":"dir-822_firmware"}],"references":[{"url":"https://github.com/pr0v3rbs/CVE/tree/master/CVE-2019-6258","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10175","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6258"},{"url":"https://github.com/advisories/GHSA-2jv7-c5x2-xf95"}],"sources":{"cve":[{"id":"CVE-2019-6258","description":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.","status":"published","published":"2020-08-18T16:48:40Z","modified":"2024-08-04T20:16:24.697Z","updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-15824","description":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.","status":"published","published":"2020-08-18T16:48:40Z","modified":"2024-08-04T20:16:24Z","updated_at":"2026-11-03T03:06:49.709251Z"}],"ghsa":[{"id":"GHSA-2jv7-c5x2-xf95","title":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long...","description":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.","status":"published","published":"2022-05-24T17:26:06Z","modified":"2023-04-26T21:30:36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:54:33.425205Z"}],"nvd":[{"id":"CVE-2019-6258","description":"D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.","status":"published","published":"2020-08-18T17:15:11.283Z","modified":"2026-06-17T02:38:53.847Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}