CVE-2021-47707
COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure
- State
- Published
- Severity
- 9.3 Critical
- Published
- Dec 9, 2025
- Updated
- Apr 7, 2026
- Reserved
- Dec 5, 2025
Description
COMMAX CVD-Axx DVR 5.1.4 contains weak default administrative credentials that allow remote password attacks and disclose RTSP stream. Attackers can exploit this by sending a POST request with the 'passkey' parameter set to '1234', allowing them to access the web control panel.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
Weaknesses
- CWE-1392 Use of Default Credentials
Affected Products
| Product | Versions |
|---|---|
COMMAX CVD-Axx DVRCOMMAX Co., Ltd. |
|
References
- ExploitDB-50210exploit
- Official Product Homepageproduct
- Zero Science Lab Disclosure (ZSL-2021-5667)third-party-advisory
- VulnCheck Advisory: COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosurethird-party-advisory
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