An authentication bypass vulnerability in the Direct Connection Module in...

Vulnerability Description

An authentication bypass vulnerability in the Direct Connection Module in Ezviz CS-C6N-xxx prior to v5.3.x build 20230401, Ezviz CS-CV310-xxx prior to v5.3.x build 20230401, Ezviz CS-C6CN-xxx prior to v5.3.x build 20230401, Ezviz CS-C3N-xxx prior to v5.3.x build 20230401 allows remote attackers to obtain sensitive information by sending crafted messages to the affected devices.

References

• https://www.ezviz.com/data-security/security-notice/detail/911
• https://joerngermany.github.io/ezviz_vulnerability/
• https://www.hikvision.com/hk/support/cybersecurity/security-advisory/security-vulnerability-in-some-hikvision-products/