CVE-2021-47707

COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure

Published Dec 9, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Commax
Commax cvd-axx Dvr
Vendors & Products Commax
Commax cvd-axx Dvr
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure
Weaknesses CWE-1392
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:05 PM
Reserved
Dec 5, 2025, 7:10 PM
Status
Deferred
Published
Dec 9, 2025, 9:15 PM
Modified
Jun 17, 2026, 4:18 AM