CVE-2017-8229: n/a vulnerability

CVE-2017-8229: Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices allow an unauthenticated attacker to download the admini...

Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices allow an unauthenticated attacker to download the administrative credentials. 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_436D6 in IDA pro is identified to be setting up the configuration for the device. If one scrolls to the address 0x000437C2 then one can see that /current_config is being set as an ALIAS for /mnt/mtd/Config folder on the device. If one TELNETs into the device and navigates to /mnt/mtd/Config folder, one can observe that it contains various files such as Account1, Account2, SHAACcount1, etc. This means that if one navigates to http://[IPofcamera]/current_config/Sha1Account1 then one should be able to view the content of the files. The security researchers assumed that this was only possible only after authentication to the device. However, when unauthenticated access tests were performed for the same URL as provided above, it was observed that the device file could be downloaded without any authentication.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 16:27 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-8229 affects Amcrest IPM-721S firmware V2.420.AC00.16.R dated 2016-09-09. Public reports describe unauthenticated access to administrative credential files through the camera web interface. A reachable device could expose admin credentials and enable camera takeover. Sources do not provide CVSS, KEV status, or confirmed active exploitation. Exposure is most likely where the affected Amcrest camera model and firmware are still deployed, especially if management interfaces are reachable from untrusted networks or the internet. Prioritize exposed cameras because the issue can disclose admin credentials without login. Internal-only devices still merit remediation, but internet-facing or third-party-accessible cameras present the clearest business risk. Mitigation focus: Inventory Amcrest IPM-721S cameras and record firmware versions.; Remove camera management interfaces from internet exposure.; Restrict access to trusted admin networks or VPN only..

Prepared: Jun 6, 2026, 20:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 3, 2019, 19:21 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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3Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
20190609 Newly releases IoT security issuesCVE reference · mailing-list, x_refsource_BUGTRAQ
https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Amcrest_sec_issues.pdfCVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

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