{"api_version":"1","generated_at":"2026-06-11T01:12:21+00:00","cve":"CVE-2017-8226","urls":{"html":"https://cve.report/CVE-2017-8226","api":"https://cve.report/api/cve/CVE-2017-8226.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-8226","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-8226"},"summary":{"title":"CVE-2017-8226","description":"Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices have default credentials that are hardcoded in the firmware and can be extracted by anyone who reverses the firmware to identify them. If the firmware version V2.420.AC00.16.R 9/9/2016 is dissected using binwalk tool, one obtains a _user-x.squashfs.img.extracted archive which contains the filesystem set up on the device that many of the binaries in the /usr folder. The binary \"sonia\" is the one that has the vulnerable function that sets up the default credentials on the device. If one opens this binary in IDA-pro, one will notice that this follows a ARM little endian format. The function sub_3DB2FC in IDA pro is identified to be setting up the values at address 0x003DB5A6. The sub_5C057C then sets this value and adds it to the Configuration files in /mnt/mtd/Config/Account1 file.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2019-07-03 20:15:00","updated_at":"2019-07-11 01:49:00"},"problem_types":["CWE-798"],"metrics":[],"references":[{"url":"http://packetstormsecurity.com/files/153224/Amcrest-IPM-721S-Credential-Disclosure-Privilege-Escalation.html","name":"http://packetstormsecurity.com/files/153224/Amcrest-IPM-721S-Credential-Disclosure-Privilege-Escalation.html","refsource":"MISC","tags":["Third Party Advisory","VDB Entry"],"title":"Amcrest IPM-721S Credential Disclosure / Privilege Escalation ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://seclists.org/bugtraq/2019/Jun/8","name":"20190609 Newly releases IoT security issues","refsource":"BUGTRAQ","tags":["Mailing List","Third Party Advisory"],"title":"Bugtraq: Newly releases IoT security issues","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Amcrest_sec_issues.pdf","name":"https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Amcrest_sec_issues.pdf","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"IoT_vulnerabilities/Amcrest_sec_issues.pdf at master · ethanhunnt/IoT_vulnerabilities · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-8226","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8226","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"8226","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"amcrest","cpe5":"ipm-721s","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"8226","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"amcrest","cpe5":"ipm-721s","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"8226","vulnerable":"1","versionEndIncluding":"2.420.ac00.16.r.20160909","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"amcrest","cpe5":"ipm-721s_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2017-8226","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices have default credentials that are hardcoded in the firmware and can be extracted by anyone who reverses the firmware to identify them. If the firmware version V2.420.AC00.16.R 9/9/2016 is dissected using binwalk tool, one obtains a _user-x.squashfs.img.extracted archive which contains the filesystem set up on the device that many of the binaries in the /usr folder. The binary \"sonia\" is the one that has the vulnerable function that sets up the default credentials on the device. If one opens this binary in IDA-pro, one will notice that this follows a ARM little endian format. The function sub_3DB2FC in IDA pro is identified to be setting up the values at address 0x003DB5A6. The sub_5C057C then sets this value and adds it to the Configuration files in /mnt/mtd/Config/Account1 file."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"BUGTRAQ","name":"20190609 Newly releases IoT security issues","url":"https://seclists.org/bugtraq/2019/Jun/8"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/153224/Amcrest-IPM-721S-Credential-Disclosure-Privilege-Escalation.html","url":"http://packetstormsecurity.com/files/153224/Amcrest-IPM-721S-Credential-Disclosure-Privilege-Escalation.html"},{"refsource":"MISC","name":"https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Amcrest_sec_issues.pdf","url":"https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Amcrest_sec_issues.pdf"}]}},"nvd":{"publishedDate":"2019-07-03 20:15:00","lastModifiedDate":"2019-07-11 01:49:00","problem_types":["CWE-798"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:amcrest:ipm-721s_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.420.ac00.16.r.20160909","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:amcrest:ipm-721s:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"8226","Ordinal":"105121","Title":"CVE-2017-8226","CVE":"CVE-2017-8226","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"8226","Ordinal":"1","NoteData":"Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices have default credentials that are hardcoded in the firmware and can be extracted by anyone who reverses the firmware to identify them. If the firmware version V2.420.AC00.16.R 9/9/2016 is dissected using binwalk tool, one obtains a _user-x.squashfs.img.extracted archive which contains the filesystem set up on the device that many of the binaries in the /usr folder. The binary \"sonia\" is the one that has the vulnerable function that sets up the default credentials on the device. If one opens this binary in IDA-pro, one will notice that this follows a ARM little endian format. The function sub_3DB2FC in IDA pro is identified to be setting up the values at address 0x003DB5A6. The sub_5C057C then sets this value and adds it to the Configuration files in /mnt/mtd/Config/Account1 file.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"8226","Ordinal":"2","NoteData":"2019-07-03","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"8226","Ordinal":"3","NoteData":"2019-07-03","Type":"Other","Title":"Modified"}]}}}