Malformed Zigbee packet with invalid destination address causes Assert
Priority LOW 29CWE-119Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet
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 | Ember ZNet | 1.0.0 – 7.0.1 | — | No fix listed | CNA |
- Ember ZNet Vendorsilabs.com Affected 1.0.0 – 7.0.1 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silabs:gecko_software_development_kit:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | silabs.com |
| cpe:2.3:a:silabs:zigbee_emberznet:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | silabs.com |
- cpe:2.3:a:silabs:gecko_software_development_kit:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·silabs.com
- cpe:2.3:a:silabs:zigbee_emberznet:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·silabs.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-24939
- 2026-10-03 Alias added: GHSA-q35w-7696-fc7r
References
More silabs.com Gecko Software Development Kit 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-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-10642 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-24939 · CVE Program
- CVE-2022-24939 · NVD
- FIRST EPSS
- GHSA-q35w-7696-fc7r · GitHub Advisory Database · CC BY 4.0
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