CVE-2026-65933 BT122 malformed packet with increased length field causes memory leak
A malformed Bluetooth connection request can cause the BT122 module to leak sensitive information, requiring a firmware patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-65933?
CVE-2026-65933 is a medium-severity vulnerability in silabs.com BT122, published on 13 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
Weakness: CWE-126
Which versions are affected by CVE-2026-65933?
How do I fix CVE-2026-65933?
No fix has been published for CVE-2026-65933 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-65933 being exploited?
There is no known exploitation of CVE-2026-65933 in the wild and no public exploit code.
Sources
Also known as GHSA-pmcm-gw2w-hpxf.