{"id":"CVE-2017-9316","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-9316","generatedAt":"2026-10-28T19:03:49.415Z","title":"Firmware upgrade authentication bypass vulnerability was found in Dahua IPC-HDW4300S and some IP products.","description":"Firmware upgrade authentication bypass vulnerability was found in Dahua IPC-HDW4300S and some IP products. The vulnerability was caused by internal Debug function. This particular function was used for problem analysis and performance tuning during product development phase. It allowed the device to receive only specific data (one direction, no transmit) and therefore it was not involved in any instance of collecting user privacy data or allowing remote code execution.","published":"2017-11-27T17:29:00.000Z","lastModified":"2026-06-17T01:27:53.000Z","status":"Modified","sourceIdentifier":"cybersecurity@dahuatech.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H"},"cwe":["CWE-287"],"affected":["dahuasecurity/nvr11hs firmware","dahuasecurity/ipc-hdw4300s firmware","dahuasecurity/ipc-hfw4x00 firmware","dahuasecurity/ipc-hdw4x00 firmware","dahuasecurity/ipc-hdbw4x00 firmware","dahuasecurity/ipc-hf5x00 firmware","dahuasecurity/ipc-hfw5x00 firmware","dahuasecurity/ipc-hdw5x00 firmware","dahuasecurity/ipc-hdbw5x00 firmware"],"epss":{"score":0.01893,"percentile":0.79491,"date":"2026-10-27","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 (1.89%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.dahuasecurity.com/annoucementsingle/security-advisory--high-risk-vulnerability-found-in-dahua-ipc-hdw4300s-and-some-ip-products_14731_231.html","tags":["Patch","Vendor Advisory"],"source":"cybersecurity@dahuatech.com"},{"url":"http://www.dahuasecurity.com/annoucementsingle/security-advisory--high-risk-vulnerability-found-in-dahua-ipc-hdw4300s-and-some-ip-products_14731_231.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-9316","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."}