{"id":"CVE-2017-2856","aliases":["EUVD-2017-11997","GHSA-pcfp-7jjr-h74h"],"status":"published","title":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1...","description":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.0166,"percentile":0.76818,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2018-09-17T20:00:00Z","modified":"2026-06-17T01:17:00Z","products":[{"vendor":"foscam","product":"c1_firmware"},{"vendor":"foscam","product":"foscam indoor ip camera c1 series"}],"references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0359","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2856"},{"url":"https://github.com/advisories/GHSA-pcfp-7jjr-h74h"}],"sources":{"cve":[{"id":"CVE-2017-2856","description":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.","status":"published","published":"2018-09-17T20:00:00Z","modified":"2024-09-16T17:54:27.821Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:15.543086Z"}],"euvd":[{"id":"EUVD-2017-11997","description":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.","status":"published","published":"2018-09-17T20:00:00Z","modified":"2024-09-16T17:54:27Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:37.743963Z"}],"ghsa":[{"id":"GHSA-pcfp-7jjr-h74h","title":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1...","description":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.","status":"published","published":"2022-05-13T01:01:19Z","modified":"2023-01-27T05:02:27Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-120"],"updated_at":"2026-11-02T14:42:03.063922Z"}],"nvd":[{"id":"CVE-2017-2856","description":"An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.","status":"published","published":"2018-09-17T20:29:00.523Z","modified":"2026-06-17T01:17:00.333Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:04:19.545286Z"}]}}