{"id":"CVE-2023-28811","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-28811","generatedAt":"2026-10-27T23:55:47.779Z","title":"There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models.","description":"There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.","published":"2023-11-23T07:15:44.000Z","lastModified":"2026-06-17T05:48:49.000Z","status":"Modified","sourceIdentifier":"hsrc@hikvision.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-120"],"affected":["hikvision/nvr-216mh-c\\(d\\) firmware","hikvision/nvr-216mh-c\\/16p\\(d\\) firmware","hikvision/nvr-208mh-c\\/8p\\(d\\) firmware","hikvision/nvr-104mh-c\\/4p\\(d\\) firmware","hikvision/nvr-104mh-c\\(d\\) firmware","hikvision/nvr-108mh-c\\(d\\) firmware","hikvision/nvr-116mh-c\\(d\\) firmware","hikvision/ds-7104ni-q1\\(c\\) firmware","hikvision/ds-7104ni-q1\\(d\\) firmware","hikvision/ds-7108ni-q1\\(c\\) firmware","hikvision/ds-7108ni-q1\\(d\\) firmware","hikvision/nvr-104mh-d\\(c\\) firmware","hikvision/nvr-104mh-d\\(d\\) firmware","hikvision/nvr-108h-d\\(c\\) firmware","hikvision/nvr-108mh-d\\(c\\) firmware","hikvision/nvr-108mh-d\\(d\\) firmware","hikvision/nvr-104mh-d\\/4p\\(c\\) firmware","hikvision/nvr-108h-d\\/8p\\(c\\) firmware","hikvision/nvr-108h-d\\/8p\\(d\\) firmware","hikvision/nvr-108mh-d\\/8p\\(c\\) firmware","hikvision/ds-7604ni-q1\\(c\\) firmware","hikvision/ds-7604ni-q1\\/4p\\(c\\) firmware","hikvision/ds-7608ni-q1\\(c\\) firmware","hikvision/ds-7608ni-q1\\/8p\\(c\\) firmware","hikvision/ds-7608ni-q2\\(c\\) firmware","hikvision/ds-7608ni-q2\\/8p\\(c\\) firmware","hikvision/ds-7616ni-q1\\(c\\) firmware","hikvision/ds-7616ni-q2\\/16p\\(c\\) firmware","hikvision/ds-7616ni-q2\\(c\\) firmware","hikvision/ds-7604ni-k1\\(c\\) firmware","hikvision/ds-7604ni-k1\\/4p\\/4g\\(c\\) firmware","hikvision/ds-7608ni-k1\\/8p\\(c\\) firmware","hikvision/ds-7608ni-k1\\/8p\\/4g\\(c\\) firmware","hikvision/ds-7616ni-k1\\(c\\) firmware","hikvision/nvr-208mh-c\\(c\\) firmware","hikvision/nvr-104mh-c\\(c\\) firmware","hikvision/nvr-108mh-c\\(c\\) firmware","hikvision/nvr-108mh-c\\/8p\\(c\\) firmware","hikvision/nvr-116mh-c\\(c\\) firmware","hikvision/dvr firmware"],"epss":{"score":0.00394,"percentile":0.33402,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerability-in-hikvision-nvr-dvr-devices/","tags":["Patch","Vendor Advisory"],"source":"hsrc@hikvision.com"},{"url":"https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerability-in-hikvision-nvr-dvr-devices/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-28811","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}