CVE-2021-39364
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for...
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.
- Record
CVE-2021-39364- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-294
- Updated
- 2026-11-02
CVE List No score
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.
- Record
CVE-2021-39364- Updated
- 2026-11-02
EUVDEUVD-2021-25725 No score
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.
- Record
EUVD-2021-25725- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9m99-vm5f-jwf9
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for...
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.
- Record
GHSA-9m99-vm5f-jwf9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-294
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39364 is a high vulnerability (CVSS 7.5) in Honeywell Hbw2per1 Firmware, published February 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.
References
honeywell.com/us/en/product-security
buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
nvd.nist.gov/vuln/detail/CVE-2021-39364
github.com/advisories/GHSA-9m99-vm5f-jwf9