CVE-2026-20539

mediumpriority · track · 0EPSS 0.002 · 8 %ileUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (8th) EPSS

CVSS 5.3 · medium

Is it mine?

83 products

Check your exposure

Who says so?

1 sources

nvd

EPSS · scored 2026-10-27

In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01774038; Issue ID: MSV-8913.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.6 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-126US

affected products (83)

Products and version ranges known to be affected.

mediatek mt2716 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2716_firmware:*:*:*:*:*:*:*:*
mediatek mt2735 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2735_firmware:*:*:*:*:*:*:*:*
mediatek mt2737 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2737_firmware:*:*:*:*:*:*:*:*
mediatek mt6739 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6739_firmware:*:*:*:*:*:*:*:*
mediatek mt6761 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6761_firmware:*:*:*:*:*:*:*:*
mediatek mt6762 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6762_firmware:*:*:*:*:*:*:*:*
mediatek mt6763 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6763_firmware:*:*:*:*:*:*:*:*
mediatek mt6765 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6765_firmware:*:*:*:*:*:*:*:*
mediatek mt6767 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6767_firmware:*:*:*:*:*:*:*:*
mediatek mt6768 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6768_firmware:*:*:*:*:*:*:*:*
mediatek mt6769 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6769_firmware:*:*:*:*:*:*:*:*
mediatek mt6771 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6771_firmware:*:*:*:*:*:*:*:*
mediatek mt6779 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6779_firmware:*:*:*:*:*:*:*:*
mediatek mt6781 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6781_firmware:*:*:*:*:*:*:*:*
mediatek mt6783 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6783_firmware:*:*:*:*:*:*:*:*
mediatek mt6785 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6785_firmware:*:*:*:*:*:*:*:*
mediatek mt6789 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6789_firmware:*:*:*:*:*:*:*:*
mediatek mt6813 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6813_firmware:*:*:*:*:*:*:*:*
mediatek mt6815 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6815_firmware:*:*:*:*:*:*:*:*
mediatek mt6833 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6833_firmware:*:*:*:*:*:*:*:*

showing 20 of 83

sources

Which sources assert this record, and when.

nvd NVD CVE.org MITRE

published 2026-10-05modified 2026-10-09

references (1) nvd

External citations — patches, advisories, analysis.

https://www.mediatek.com/product-security-bulletin/October-2026Vendor Advisory

scry

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