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CVE record · CVE-2025-20778

Out-of-bounds write in MediaTek, Inc. MediaTek chipset

CVSS 7.8 HighEPSS 0.0009 · 1st percentile

Published by the CVE Program (CNA: MediaTek) at 6 Jan 2026, 01:46 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
MediaTek, Inc. MediaTek chipset
  • affected MT6739
  • affected MT6761
  • affected MT6765
  • affected MT6768
  • affected MT6781
  • affected MT6789
  • affected MT6833
  • affected MT6835
  • affected MT6853
  • affected MT6855
  • affected MT6877
  • affected MT6878
  • and 33 more
Other versions: unaffected
Identifiers
CVE-2025-20778
CNA
MediaTek
Weakness (CWE)
CWE-787
Tags
Published
6 Jan 2026
Updated
30 Mar 2026

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
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0009, the 1st percentile, on 6 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 6 Jan 2026. 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.