What’s Vulnerable › Vulnerabilities

CVE-2021-40170

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-15 · updated 2026-06-17
• Weakness: CWE-294

Description

An RF replay attack vulnerability in the SecuritasHome home alarm system, version HPGW-G 0.0.2.23F BG_U-ITR-F1-BD_BL.A30.20181117, allows an attacker to trigger arbitrary system functionality by replaying previously recorded signals. This lets an adversary, among other things, disarm an armed system.

Affected products

• Securitashome Alarm System Firmware: hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117

References

• https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf
• https://www.securitashome.se/product.html/securitashome
• https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf
• https://www.securitashome.se/product.html/securitashome

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