Description
The setUpSubtleUserAccount function in /bin/bw on Harman AMX devices before 2015-10-12 has a hardcoded password for the BlackWidow account, which makes it easier for remote attackers to obtain access via a (1) SSH or (2) HTTP session, a different vulnerability than CVE-2016-1984.
Advisories 1
- ICSA-16-049-02A AMX Multiple Products Credential Management Vulnerabilities (Update A) CISA ICS & IT advisories · Jun 5, 2025
References
- VU#992624 third-party-advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-16-049-02
- 20160121 SEC Consult SA-20160121-0 :: Deliberately hidden backdoor account in AMX (Harman Professional) devices mailing-list
- 20160121 SEC Consult SA-20160121-0 :: Deliberately hidden backdoor account in AMX (Harman Professional) devices mailing-list
- https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160121-0_AMX_Deliberately_hidden_backdoor_account_v10.txt
- http://www.amx.com/techcenter/firmware.asp?Category=Hot%20Fix%20Files
- 81545 vdb-entry
- http://blog.sec-consult.com/2016/01/deliberately-hidden-backdoor-account-in.html
- http://www.amx.com/techcenter/NXSecurityBrief/