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CVE-2025-20798In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a…

Description

In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10315812; Issue ID: MSV-5533.

Timeline

  1. ID reserved

    By MediaTek

  2. · 14 months later

    Published

  3. · 3 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-20798, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.09% · top 100% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • MediaTek, Inc. · MediaTek chipset

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

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .