CVE-2021-47707 PUBLISHED

COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure

Assigner: VulnCheck
Reserved: 05.12.2025 Published: 09.12.2025 Updated: 10.12.2025

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	COMMAX Co., Ltd.
Product	COMMAX CVD-Axx DVR
Versions	Default: unaffected Version CVD-AH04 DVR 4.4.1 is affected

CVE-2021-47707 PUBLISHED

COMMAX CVD-Axx DVR Weak Default Credentials Stream Disclosure

Metrics

Product Status

Credits

References

Problem Types