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CVE-2026-2539— Micca KE700 Cleartext transmission of key fob ID

Quick assessment

Affected
Micca Auto Electronics Co., Ltd. Car Alarm System KE700
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Micca KE700是Micca公司的一款源书架式音箱。 Micca KE700存在安全漏洞，该漏洞源于RF通信协议未加密数据帧，可能导致攻击者捕获明文传输的随机数和计数器，进而进行身份验证攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 0.15% · P4
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I. Basic Information for CVE-2026-2539

Vulnerability Information
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Vulnerability Title
Micca KE700 Cleartext transmission of key fob ID
Source: CVE Program / CVE List V5
Vulnerability Description
The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:N/V:D/RE:H
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Micca KE700 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Micca KE700是Micca公司的一款源书架式音箱。 Micca KE700存在安全漏洞，该漏洞源于RF通信协议未加密数据帧，可能导致攻击者捕获明文传输的随机数和计数器，进而进行身份验证攻击。
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
Micca Auto Electronics Co., Ltd. Car Alarm System KE700 KE700 -

II. Public POCs for CVE-2026-2539

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 13610 chars
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III. Intelligence Information for CVE-2026-2539

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Vendor Advisories for CVE-2026-2539 (1)

Same Patch Batch · Micca Auto Electronics Co., Ltd. · 2026-02-15 · 3 CVEs total

CVE-2026-2541 Micca KE700 Brute-force vulnerability due to low entropy
CVE-2026-2540 Micca KE700 Acceptance of previously used rolling codes

IV. Related Vulnerabilities

Same product: Car Alarm System KE700
Same vendor: Micca Auto Electronics Co., Ltd.
Same weakness: CWE-319

V. Comments for CVE-2026-2539

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