What’s Vulnerable › Vulnerabilities

CVE-2021-39364

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-24 · updated 2026-06-17
• Weakness: CWE-294

Description

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.

Affected products

• Honeywell Hbw2Per1 Firmware: 1.000.hw01.3
• Honeywell Hdzp252Di Firmware: 1.00.hw02.4

References

• https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-02_CVE-2021-39364_Video_Replay_HBW2PER1.pdf
• https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
• https://www.honeywell.com/us/en/product-security
• https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-02_CVE-2021-39364_Video_Replay_HBW2PER1.pdf
• https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices
• https://www.honeywell.com/us/en/product-security

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