Dos in ZigBee device due to unsolicited encrypted rejoin response
Priority LOW 26CWE-940Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A ZigBee coordinator, router, or end device may change their node ID when an unsolicited encrypted rejoin response is received, this change in node ID causes Denial of Service (DoS). To recover from this DoS, the network must be re-established
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00341 27th percentileScored 2026-11-07
Fix Fixed EmberZNet (silabs.com): 7.3.3, 7.4.4, 8.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| silabs.com | EmberZNet | before 7.3.3; 7.4.0 to before 7.4.4 | 7.3.3, 7.4.4 | Patch available | CNA |
| silabs.com | EmberZNet | before 8.1.0 | 8.1.0 | Patch available | CNA |
- EmberZNet Vendorsilabs.com Affected before 7.3.3; 7.4.0 to before 7.4.4 Fixed in 7.3.3, 7.4.4 Patch available CNA
- EmberZNet Vendorsilabs.com Affected before 8.1.0 Fixed in 8.1.0 Patch available CNA
Remediation
- Fix · CNA EmberZNet (silabs.com) Fixed in 7.3.3, 7.4.4
- Fix · CNA EmberZNet (silabs.com) Fixed in 8.1.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-7322
- 2026-10-03 Alias added: GHSA-3fcc-qfqw-wqr5
References
More silabs.com vulnerabilities
- TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
- TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
- TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-7322 · CVE Program
- CVE-2024-7322 · NVD
- FIRST EPSS
- GHSA-3fcc-qfqw-wqr5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences