{"id":"CVE-2019-9677","aliases":["EUVD-2019-19043","GHSA-9x5p-x947-8g6x"],"status":"published","title":"The specific fields of CGI interface of some Dahua products are not strictly verified, an...","description":"The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.","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":"2026-11-07","score":0.01144,"percentile":0.66909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2019-09-18T18:46:29Z","modified":"2026-06-17T02:44:10Z","products":[{"vendor":"dahua","product":"ipc-hdw1x2x,ipc-hfw1x2x,ipc-hdw2x2x,ipc-hfw2x2x,ipc-hdw4x2x,ipc-hfw4x2x,ipc-hdbw4x2x,ipc-hdw5x2x,ipc-hfw5x2x"},{"vendor":"dahua technology","product":"ipc-hdw1x2x,ipc-hfw1x2x,ipc-hdw2x2x,ipc-hfw2x2x,ipc-hdw4x2x,ipc-hfw4x2x,ipc-hdbw4x2x,ipc-hdw5x2x,ipc-hfw5x2x"},{"vendor":"dahuasecurity","product":"ipc-hdbw4x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hdw1x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hdw2x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hdw4x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hdw5x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hfw1x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hfw2x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hfw4x2x_firmware"},{"vendor":"dahuasecurity","product":"ipc-hfw5x2x_firmware"}],"references":[{"url":"https://www.dahuasecurity.com/support/cybersecurity/details/637","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9677"},{"url":"https://github.com/advisories/GHSA-9x5p-x947-8g6x"}],"sources":{"cve":[{"id":"CVE-2019-9677","description":"The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.","status":"published","published":"2019-09-18T18:46:29Z","modified":"2024-08-04T21:54:45.468Z","updated_at":"2026-11-02T14:20:20.397093Z"}],"euvd":[{"id":"EUVD-2019-19043","description":"The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.","status":"published","published":"2019-09-18T18:46:29Z","modified":"2024-08-04T21:54:45Z","updated_at":"2026-11-03T03:06:37.634716Z"}],"ghsa":[{"id":"GHSA-9x5p-x947-8g6x","title":"The specific fields of CGI interface of some Dahua products are not strictly verified, an...","description":"The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.","status":"published","published":"2022-05-24T16:56:28Z","modified":"2024-04-11T21:07:32Z","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":"2026-11-02T14:57:07.421443Z"}],"nvd":[{"id":"CVE-2019-9677","description":"The specific fields of CGI interface of some Dahua products are not strictly verified, an attacker can cause a buffer overflow by constructing malicious packets. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18, 2019.","status":"published","published":"2019-09-18T19:15:10.297Z","modified":"2026-06-17T02:44:10.037Z","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":"2026-11-02T14:05:28.126831Z"}]}}