CVE-2026-65936 RS9116W/SiWx917 malformed packet with increased length field causes memory leak

Medium 5.3 Published Updated

A malformed Bluetooth packet can cause a memory leak in the RS9116W/SiWx917 module, potentially exposing sensitive information to attackers.

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-2026-65936?

CVE-2026-65936 is a medium-severity vulnerability in silabs.com WiseConnect, 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 RS9116W/SiWx917 to leak potentially sensitive information.  See vulnerability B-E4 in the related paper below.

Weakness: CWE-126

Which versions are affected by CVE-2026-65936?

How do I fix CVE-2026-65936?

No fix has been published for CVE-2026-65936 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-65936 being exploited?

There is no known exploitation of CVE-2026-65936 in the wild and no public exploit code.

Sources

Also known as GHSA-v4q3-f9mp-442j.

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