Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-65933— BT122 malformed packet with increased length field causes memory leak

Quick assessment

Affected
silabs.com BT122
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Labs BT122是美国Silicon Labs公司的一款蓝牙模块。 Silicon Labs BT122 1.4.0及之前版本存在缓冲区错误漏洞，该漏洞源于畸形的蓝牙连接请求消息，可能导致泄露潜在敏感信息。

CVSS 5.3 · Medium EPSS 0.25% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
silabs.com BT122 ≤ 1.4.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-65933

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
BT122 malformed packet with increased length field causes memory leak
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs BT122 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs BT122是美国Silicon Labs公司的一款蓝牙模块。 Silicon Labs BT122 1.4.0及之前版本存在缓冲区错误漏洞，该漏洞源于畸形的蓝牙连接请求消息，可能导致泄露潜在敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
silabs.com BT122 0 ~ 1.4.0 -

II. Public POCs for CVE-2026-65933

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-65933

请登录查看更多情报信息。

News Coverage for CVE-2026-65933 (1)

Other References for CVE-2026-65933 (1)

Same Patch Batch · silabs.com · 2026-08-13 · 9 CVEs total

CVE-2026-16101 8.8 HIGH forced re-pairing with already bonded device
CVE-2026-19292 8.8 HIGH Bluetooth re-pairing with legitimate device can use lower security level
CVE-2026-19291 8.8 HIGH Bluetooth re-pairing can use a lower security level than previous
CVE-2026-19293 8.8 HIGH SMP security request
CVE-2026-65935 7.6 HIGH Bypassing passkey entry in legacy pairing
CVE-2026-65934 7.1 HIGH BT122 plaintext pause encryption request causes DOS
CVE-2026-65932 5.3 MEDIUM BT122 stops advertising
CVE-2026-65936 5.3 MEDIUM RS9116W/SiWx917 malformed packet with increased length field causes memory leak

IV. Related Vulnerabilities

Same product: BT122
Same vendor: silabs.com
Same weakness: CWE-126

V. Comments for CVE-2026-65933

No comments yet

Leave a comment