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TI-2026-46970 Aliases CVE-2026-65934GHSA-j2wh-vq5f-p4wj

BT122 plaintext pause encryption request causes DOS

Priority LOW 30CWE-440Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

An unencrypted 'pause encryption request' message causes a denial of service in the BT122 module.  See vulnerability B-E10 in the related paper below.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd 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.comBT122up to 1.4.0—No fix listedCNA
  • BT122 Vendorsilabs.com Affected up to 1.4.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    silabs.com BT122 — community.silabs.com/068Vm00000x0Yqy

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-46969 BT122 malformed packet with increased length field causes memory leakPriority LOW 24
    • TI-2026-46968 BT122 stops advertisingPriority LOW 24

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-65934
  2. 2026-10-03 Alias added: GHSA-j2wh-vq5f-p4wj

References

  • 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