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CVE record · CVE-2025-27840

Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory).

CVSS 6.8 MediumEPSS 0.014 · 71st percentile

Published by the CVE Program (CNA: mitre) at 8 Mar 2025, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Espressif ESP32
  • affected 2025-03-06 custom
Other versions: unknown
Identifiers
CVE-2025-27840
CNA
mitre
Weakness (CWE)
CWE-912
Tags
Published
8 Mar 2025
Updated
12 May 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.8 Medium 3.1 CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L CNA (mitre)
  • CISA KEV Not listed.
  • EPSS 0.014, the 71st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Mar 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.