CVE-2023-4249
Zavio IP Camera Stack-Based Buffer Overflow
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Zavio IP Camera Stack-Based Buffer Overflow
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.
- Record
CVE-2023-4249- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2023-54120
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.
- Record
EUVD-2023-54120- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hf79-fwx9-q3gm
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 ...
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.
- Record
GHSA-hf79-fwx9-q3gm- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78, CWE-121
- Updated
- 2026-11-02
NVD
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.
- Record
CVE-2023-4249- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121, CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4249 is a high vulnerability (CVSS 8.8) in Zavio B8220 Firmware, published November 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 12.9%, the 96th percentile. No source names a fixed version.