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CVE-2026-65932— BT122 stops advertising

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。 BT122 1.4.0及之前版本存在处理逻辑错误漏洞，该漏洞源于接收明文“pause enceryption response”消息后停止广播，可能导致拒绝服务。

CVSS 5.3 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
silabs.com BT122 ≤ 1.4.0 affected
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I. Basic Information for CVE-2026-65932

Vulnerability Information
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Vulnerability Title
BT122 stops advertising
Source: CVE Program / CVE List V5
Vulnerability Description
The BT122 module stops advertising after receiving a plaintext 'pause enceryption response' message resulting in a denial of service. See vulnerability B-E2 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:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
预期行为违背
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs BT122 处理逻辑错误漏洞
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。 BT122 1.4.0及之前版本存在处理逻辑错误漏洞，该漏洞源于接收明文“pause enceryption response”消息后停止广播，可能导致拒绝服务。
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-2026-65932

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-65932

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News Coverage for CVE-2026-65932 (1)

Other References for CVE-2026-65932 (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-2026-65936 5.3 MEDIUM RS9116W/SiWx917 malformed packet with increased length field causes memory leak
CVE-2026-65933 5.3 MEDIUM BT122 malformed packet with increased length field causes memory leak

IV. Related Vulnerabilities

Same product: BT122
Same vendor: silabs.com
Same weakness: CWE-440

V. Comments for CVE-2026-65932

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