CVE-2023-3959 CRITICAL

CVE-2023-3959: Zavio IP Camera Stack-Based Buffer Overflow

Vendor Zavio
Product IP Camera CF7500
Weakness CWE-121
Published November 8, 2023
Last update January 16, 2025
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CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 IP Cameras with firmware version M2.1.6.05 are vulnerable to multiple instances of stack-based overflows. While processing XML elements from incoming network requests, the product does not sufficiently check or validate allocated buffer size. This may lead to remote code execution.

Key dates

02Disclosure timeline

November 8, 2023 CVE published
January 16, 2025 Record updated