CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2023-3959
Critical (9.8) in zavio. EPSS 49% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 49% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-787, CWE-121
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zavio:b8220_firmware
- zavio:b8520_firmware
- zavio:cb3211_firmware
- zavio:cb3212_firmware
- zavio:cb5220_firmware
- zavio:cb6231_firmware
- zavio:cd321_firmware
- zavio:cf7201_firmware
- zavio:cf7300_firmware
- zavio:cf7500_firmware
- zavio:cf7501_firmware