CVE-2023-34551

HIGH

EZVIZ Camera Firmware - Authenticated Remote Code Execution via netClientSetWlanCfg Stack Buffer Overflow

Title source: llm
STIX 2.1

Description

In certain EZVIZ products, two stack buffer overflows in netClientSetWlanCfg function of the EZVIZ SDK command server can allow an authenticated 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. The impact is: execute arbitrary code (remote).

References (2)

Core 2

Scores

CVSS v3 8.0
EPSS 0.0053
EPSS Percentile 41.1%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (9)
ezviz/cs-c6n-a0-1c2wfr-mul_firmware < 5.3.2
ezviz/cs-c6n-b0-1g2wf_firmware < 5.3.0
ezviz/cs-c6n-r101-1g2wf_firmware < 5.3.0
ezviz/cs-cv248-a0-32wmfr_firmware < 5.2.3
ezviz/cs-cv310-a0-1b2wfr_firmware < 5.3.0
ezviz/cs-cv310-a0-1c2wfr-c_firmware < 5.3.2
ezviz/cs-cv310-a0-1c2wfr_firmware < 5.3.2
ezviz/cs-cv310-a0-3c2wfrl-1080p_firmware < 5.2.7
ezviz/lc1c_firmware < 5.3.4
Published Aug 01, 2023
Tracked Since Feb 18, 2026