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TI-2026-85545 Aliases CVE-2026-107359GHSA-c4vh-x5p4-grj2

Malformed Wi-Fi Input Causes Crash on WF200

Priority LOW 31CWE-369Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-369.

Summary

CVE-2026-107359 (GHSA-c4vh-x5p4-grj2) is an improper input validation flaw in the handler of Silicon Labs WF200 FW, versions 3.17.0 and earlier. A malformed Wi-Fi input triggers a divide-by-zero fault (CWE-369) that crashes the device. The CVSS 4.0 base score is 7.1 (HIGH), with an adjacent network attack vector, low attack complexity, no privileges or user interaction required, and high availability impact. CISA has not added it to KEV.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Improper input validation in the beacon handler for WF200 firmware versions 3.17.0 and earlier may result in a divide-by-zero fault.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0022 12th percentileScored 2026-11-07
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

VendorProductAffected versionsFixed inStatusSource
silabs.comWF200 FWup to 3.17.0—No fix listedCNA
  • WF200 FW Vendorsilabs.com Affected up to 3.17.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for WF200 FW 3.17.0 and earlier, so no patched version can be named from the available data. Monitor the advisory for a fixed release.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-11-05 Threatist record created from CVE-2026-107359
  2. 2026-11-05 Alias added: GHSA-c4vh-x5p4-grj2
  3. 2026-11-05 CVSS score added · CISA ADP
  4. 2026-11-05 CISA SSVC decision points changed
  5. 2026-11-05 Priority changed: MEDIUM → LOW

References

Advisory 1

  • 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
See all 178 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences