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

Quick assessment

Affected
silabs.com WiseConnect
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 WiseConnect是Silicon公司的一款智能连接管理软件。 Silicon WiseConnect 存在缓冲区错误漏洞，该漏洞源于畸形蓝牙连接请求消息，可能导致泄露潜在敏感信息。

CVSS 5.3 · Medium EPSS 0.25% · P15

Affected Version Matrix 2

VendorProduct Version RangeStatus
silabs.com WiseConnect 2.0.0≤ 2.*.* affected
4.0.0≤ 4.*.* affected
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I. Basic Information for CVE-2026-65936

Vulnerability Information
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Vulnerability Title
RS9116W/SiWx917 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 RS9116W/SiWx917 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 WiseConnect 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon WiseConnect是Silicon公司的一款智能连接管理软件。 Silicon WiseConnect 存在缓冲区错误漏洞，该漏洞源于畸形蓝牙连接请求消息，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 WiseConnect 2.0.0 ~ 2.*.* -

II. Public POCs for CVE-2026-65936

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III. Intelligence Information for CVE-2026-65936

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News Coverage for CVE-2026-65936 (1)

Other References for CVE-2026-65936 (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-2026-65933 5.3 MEDIUM BT122 malformed packet with increased length field causes memory leak

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-65936

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