Micca KE700 Cleartext transmission of key fob ID
Priority LOW 25CWE-319Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0017 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Micca Auto Electronics Co., Ltd. | Car Alarm System KE700 | KE700 and later | — | No fix listed | CNA |
- Car Alarm System KE700 VendorMicca Auto Electronics Co., Ltd. Affected KE700 and later Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2539
- 2026-10-03 Alias added: GHSA-88gg-5jpf-jc8f
References
More Micca Auto Electronics Co., Ltd. vulnerabilities
- TI-2026-02166 Micca KE700 Acceptance of previously used rolling codes CVSS 4.0HIGH 8.4
- TI-2026-02167 Micca KE700 Brute-force vulnerability due to low entropy CVSS 4.0MEDIUM 6.4
Sources
- CVE-2026-2539 · CVE Program
- CVE-2026-2539 · NVD
- FIRST EPSS
- GHSA-88gg-5jpf-jc8f · GitHub Advisory Database · CC BY 4.0
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