Medium severity · published Aug 13, 2026
CVE-2026-65933
BT122 malformed packet with increased length field causes memory leak
5.3
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BT
BT122 · silabs.com
through 1.4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-65933
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-65933
arxiv.org
https://arxiv.org/pdf/2409.02905
community.silabs.com
https://community.silabs.com/068Vm00000x0Yqy
More from BT122
7.1
CVE-2026-65934
BT122 plaintext pause encryption request causes DOS
5.3
CVE-2026-65932
BT122 stops advertising