CVE-2024-7322: CWE-940 Improper Verification of Source of a Communication Channel in silabs.com EmberZNet
CVE-2024-7322 is a vulnerability in silabs. com EmberZNet affecting ZigBee coordinators, routers, and end devices. When these devices receive an unsolicited encrypted rejoin response, they may improperly change their node ID, causing a denial of service (DoS). Recovery from this DoS requires re-establishing the network. The vulnerability has a medium severity with a CVSS score of 5. 8. No patch or official remediation guidance is currently available from the vendor. Exploits in the wild are not known at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2024-7322) in EmberZNet involves improper verification of the source of a communication channel (CWE-940). Specifically, ZigBee devices may accept unsolicited encrypted rejoin responses and change their node ID as a result, leading to a denial of service condition. The affected versions include 0 through 7.4.0. The CVSS v3.1 base score is 5.8, reflecting a network attack vector with high attack complexity and required privileges, no user interaction, and an impact limited to availability (DoS). No official patch or remediation level has been provided by silabs.com as of the published date.
Potential Impact
The impact of this vulnerability is a denial of service on affected ZigBee devices, which can disrupt network operations by forcing a network re-establishment. There is no impact on confidentiality or integrity reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, affected users should monitor vendor communications for updates. No official mitigation or temporary fix has been provided by silabs.com at this time.
CVE-2024-7322: CWE-940 Improper Verification of Source of a Communication Channel in silabs.com EmberZNet
Description
CVE-2024-7322 is a vulnerability in silabs. com EmberZNet affecting ZigBee coordinators, routers, and end devices. When these devices receive an unsolicited encrypted rejoin response, they may improperly change their node ID, causing a denial of service (DoS). Recovery from this DoS requires re-establishing the network. The vulnerability has a medium severity with a CVSS score of 5. 8. No patch or official remediation guidance is currently available from the vendor. Exploits in the wild are not known at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2024-7322) in EmberZNet involves improper verification of the source of a communication channel (CWE-940). Specifically, ZigBee devices may accept unsolicited encrypted rejoin responses and change their node ID as a result, leading to a denial of service condition. The affected versions include 0 through 7.4.0. The CVSS v3.1 base score is 5.8, reflecting a network attack vector with high attack complexity and required privileges, no user interaction, and an impact limited to availability (DoS). No official patch or remediation level has been provided by silabs.com as of the published date.
Potential Impact
The impact of this vulnerability is a denial of service on affected ZigBee devices, which can disrupt network operations by forcing a network re-establishment. There is no impact on confidentiality or integrity reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, affected users should monitor vendor communications for updates. No official mitigation or temporary fix has been provided by silabs.com at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Silabs
- Date Reserved
- 2024-07-31T09:01:54.841Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e64a4819fe3cd2cd0b9553
Added to database: 4/20/2026, 3:46:16 PM
Last enriched: 4/20/2026, 4:01:34 PM
Last updated: 4/20/2026, 5:27:02 PM
Views: 4
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