Out of Bounds Write Vulnerability in MediaTek Battery Products
CVE-2025-20798

Currently unrated

Key Information:

Vendor

MediaTek
Status
Mt2718, Mt6765, Mt6768, Mt6781, Mt6833, Mt6835, Mt6853, Mt6855, Mt6877, Mt6879, Mt6893, Mt6985, Mt6989, Mt6991, Mt8186, Mt8188, Mt8196, Mt8367, Mt8391, Mt8676, Mt8678, Mt8696, Mt8766, Mt8768, Mt8781, Mt8786, Mt8788e, Mt8791t, Mt8792, Mt8793, Mt8796, Mt8873, Mt8883, Mt8893
Vendor
CVE Published:
6 January 2026

What is CVE-2025-20798?

A security vulnerability has been identified in MediaTek's battery products, where a potential out of bounds write exists due to a missing bounds check. This can enable a malicious actor with system privileges to escalate their access without requiring any user interaction, exposing critical systems to further threats. Users of affected MediaTek battery versions should apply the necessary updates as outlined in the security bulletin to mitigate this risk.

Affected Version(s)

MT2718, MT6765, MT6768, MT6781, MT6833, MT6835, MT6853, MT6855, MT6877, MT6879, MT6893, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8367, MT8391, MT8676, MT8678, MT8696, MT8766, MT8768, MT8781, MT8786, MT8788E, MT8791T, MT8792, MT8793, MT8796, MT8873, MT8883, MT8893 Android 14.0, 15.0, 16.0

References

https://corp.mediatek.com/product-security-bulletin/Janua...

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-20798 : Out of Bounds Write Vulnerability in MediaTek Battery Products