Critical severityNVD Advisory· Published Dec 9, 2025· Updated Apr 15, 2026

CVE-2021-47707

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Commax/CVD-AXX DVRllm-create
Range: = 5.1.4

Patches

Vulnerability mechanics

References

www.commax.comnvd
www.exploit-db.com/exploits/50210nvd
www.vulncheck.com/advisories/commax-cvd-axx-dvr-weak-default-credentials-stream-disclosurenvd
www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5667.phpnvd

News mentions

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