What’s Vulnerable › Vulnerabilities

CVE-2023-34552

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-01 · updated 2026-07-09
• Weakness: CWE-787

Description

In certain EZVIZ products, two stack based buffer overflows in mulicast_parse_sadp_packet and mulicast_get_pack_type functions of the SADP multicast protocol can allow an unauthenticated attacker present on the same local network as the camera to achieve remote code execution. This affects CS-C6N-B0-1G2WF Firmware versions before V5.3.0 build 230215 and CS-C6N-R101-1G2WF Firmware versions before V5.3.0 build 230215 and CS-CV310-A0-1B2WFR Firmware versions before V5.3.0 build 230221 and CS-CV310-A0-1C2WFR-C Firmware versions before V5.3.2 build 230221 and CS-C6N-A0-1C2WFR-MUL Firmware versions before V5.3.2 build 230218 and CS-CV310-A0-3C2WFRL-1080p Firmware versions before V5.2.7 build 230302 and CS-CV310-A0-1C2WFR Wifi IP66 2.8mm 1080p Firmware versions before V5.3.2 build 230214 and CS-CV248-A0-32WMFR Firmware versions before V5.2.3 build 230217 and EZVIZ LC1C Firmware versions before V5.3.4 build 230214.

Affected products

• EZVIZ Cs-C6N-A0-1C2Wfr-Mul Firmware: through 5.3.2
• EZVIZ Cs-C6N-B0-1G2Wf Firmware: through 5.3.0
• EZVIZ Cs-C6N-R101-1G2Wf Firmware: through 5.3.0
• EZVIZ Cs-Cv248-A0-32Wmfr Firmware: through 5.2.3
• EZVIZ Cs-Cv310-A0-1B2Wfr Firmware: through 5.3.0
• EZVIZ Cs-Cv310-A0-1C2Wfr-C Firmware: through 5.3.2
• EZVIZ Cs-Cv310-A0-1C2Wfr Firmware: through 5.3.2
• EZVIZ Cs-Cv310-A0-3C2Wfrl-1080P Firmware: through 5.2.7
• EZVIZ Lc1C Firmware: through 5.3.4

References

• https://www.ezviz.com/data-security/security-notice/detail/827
• https://www.ezviz.com/data-security/security-notice/detail/827

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