CVE-2026-65934 BT122 plaintext pause encryption request causes DOS
An attacker can cause a denial of service in the BT122 module by sending an unencrypted pause encryption request message.
- 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-2026-65934?
CVE-2026-65934 is a high-severity denial of service 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
An unencrypted 'pause encryption request' message causes a denial of service in the BT122 module. See vulnerability B-E10 in the related paper below.
Weakness: CWE-440
Which versions are affected by CVE-2026-65934?
How do I fix CVE-2026-65934?
No fix has been published for CVE-2026-65934 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-65934 being exploited?
There is no known exploitation of CVE-2026-65934 in the wild and no public exploit code.
Sources
Also known as GHSA-j2wh-vq5f-p4wj.