Vulnerability · Published Nov 8, 2023 · Assigned by icscert
CVE-2023-3959Zavio IP Camera Stack-Based Buffer Overflow
Critical 9.8
In plain English
A critical-severity stack buffer overflow in IP Camera B8220 from Zavio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 48.8% (higher than 99% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zavio | IP Camera CF7500 | version M2.1.6.05 |
| Zavio | IP Camera CF7300 | version M2.1.6.05 |
| Zavio | IP Camera CF7201 | version M2.1.6.05 |
| Zavio | IP Camera CF7501 | version M2.1.6.05 |
| Zavio | IP Camera CB3211 | version M2.1.6.05 |
| Zavio | IP Camera CB3212 | version M2.1.6.05 |
| Zavio | IP Camera CB5220 | version M2.1.6.05 |
| Zavio | IP Camera CB6231 | version M2.1.6.05 |
| Zavio | IP Camera B8520 | version M2.1.6.05 |
| Zavio | IP Camera B8220 | version M2.1.6.05 |
| Zavio | IP Camera CD321 | version M2.1.6.05 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H