CVE-2026-20538

🗓️ 05 Oct 2026 01:40:17Reported by MediaTekType

Out of bounds read in Modem due to missing permission check leads to remote DoS.

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-20538	5 Oct 202601:40	–	cvelist
EUVD	EUVD-2026-92185	5 Oct 202601:40	–	euvd
NVD	CVE-2026-20538	5 Oct 202602:16	–	nvd
Positive Technologies	PT-2026-104698	5 Oct 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-20538: Buffer Over-read	5 Oct 202600:00	–	rapid7
Vulnrichment	CVE-2026-20538	5 Oct 202601:40	–	vulnrichment

NVD

Vulners

Node

AND

mediatek mt2716_firmwareMatch-

mediatek mt2716Match-

Node

AND

mediatek mt2735_firmwareMatch-

mediatek mt2735Match-

Node

AND

mediatek mt2737_firmwareMatch-

mediatek mt2737Match-

Node

AND

mediatek mt6739_firmwareMatch-

mediatek mt6739Match-

Node

AND

mediatek mt6761_firmwareMatch-

mediatek mt6761Match-

Node

AND

mediatek mt6762_firmwareMatch-

mediatek mt6762Match-

Node

AND

mediatek mt6763_firmwareMatch-

mediatek mt6763Match-

Node

AND

mediatek mt6765_firmwareMatch-

mediatek mt6765Match-

Node

AND

mediatek mt6767_firmwareMatch-

mediatek mt6767Match-

Node

AND

mediatek mt6768_firmwareMatch-

mediatek mt6768Match-

Node

AND

mediatek mt6769_firmwareMatch-

mediatek mt6769Match-

Node

AND

mediatek mt6771_firmwareMatch-

mediatek mt6771Match-

Node

AND

mediatek mt6779_firmwareMatch-

mediatek mt6779Match-

Node

AND

mediatek mt6781_firmwareMatch-

mediatek mt6781Match-

Node

AND

mediatek mt6783_firmwareMatch-

mediatek mt6783Match-

Node

AND

mediatek mt6785_firmwareMatch-

mediatek mt6785Match-

Node

AND

mediatek mt6789_firmwareMatch-

mediatek mt6789Match-

Node

AND

mediatek mt6813_firmwareMatch-

mediatek mt6813Match-

Node

AND

mediatek mt6815_firmwareMatch-

mediatek mt6815Match-

Node

AND

mediatek mt6833_firmwareMatch-

mediatek mt6833Match-

Node

AND

mediatek mt6835_firmwareMatch-

mediatek mt6835Match-

Node

AND

mediatek mt6853_firmwareMatch-

mediatek mt6853Match-

Node

AND

mediatek mt6855_firmwareMatch-

mediatek mt6855Match-

Node

AND

mediatek mt6858_firmwareMatch-

mediatek mt6858Match-

Node

AND

mediatek mt6873_firmwareMatch-

mediatek mt6873Match-

Node

AND

mediatek mt6875_firmwareMatch-

mediatek mt6875Match-

Node

AND

mediatek mt6877_firmwareMatch-

mediatek mt6877Match-

Node

AND

mediatek mt6878_firmwareMatch-

mediatek mt6878Match-

Node

AND

mediatek mt6879_firmwareMatch-

mediatek mt6879Match-

Node

AND

mediatek mt6880_firmwareMatch-

mediatek mt6880Match-

Node

AND

mediatek mt6881_firmwareMatch-

mediatek mt6881Match-

Node

AND

mediatek mt6883_firmwareMatch-

mediatek mt6883Match-

Node

AND

mediatek mt6885_firmwareMatch-

mediatek mt6885Match-

Node

AND

mediatek mt6886_firmwareMatch-

mediatek mt6886Match-

Node

AND

mediatek mt6889_firmwareMatch-

mediatek mt6889Match-

Node

AND

mediatek mt6890_firmwareMatch-

mediatek mt6890Match-

Node

AND

mediatek mt6891_firmwareMatch-

mediatek mt6891Match-

Node

AND

mediatek mt6893_firmwareMatch-

mediatek mt6893Match-

Node

AND

mediatek mt6895_firmwareMatch-

mediatek mt6895Match-

Node

AND

mediatek mt6896_firmwareMatch-

mediatek mt6896Match-

Node

AND

mediatek mt6897_firmwareMatch-

mediatek mt6897Match-

Node

AND

mediatek mt6899_firmwareMatch-

mediatek mt6899Match-

Node

AND

mediatek mt6980_firmwareMatch-

mediatek mt6980Match-

Node

AND

mediatek mt6982_firmwareMatch-

mediatek mt6982Match-

Node

AND

mediatek mt6983_firmwareMatch-

mediatek mt6983Match-

Node

AND

mediatek mt6985_firmwareMatch-

mediatek mt6985Match-

Node

AND

mediatek mt6986_firmwareMatch-

mediatek mt6986Match-

Node

AND

mediatek mt6988_firmwareMatch-

mediatek mt6988Match-

Node

AND

mediatek mt6989_firmwareMatch-

mediatek mt6989Match-

Node

AND

mediatek mt6990_firmwareMatch-

mediatek mt6990Match-

Node

AND

mediatek mt6991_firmwareMatch-

mediatek mt6991Match-

Node

AND

mediatek mt6993_firmwareMatch-

mediatek mt6993Match-

Node

AND

mediatek mt8666_firmwareMatch-

mediatek mt8666Match-

Node

AND

mediatek mt8667_firmwareMatch-

mediatek mt8667Match-

Node

AND

mediatek mt8668_firmwareMatch-

mediatek mt8668Match-

Node

AND

mediatek mt8673_firmwareMatch-

mediatek mt8673Match-

Node

AND

mediatek mt8675_firmwareMatch-

mediatek mt8675Match-

Node

AND

mediatek mt8676_firmwareMatch-

mediatek mt8676Match-

Node

AND

mediatek mt8678_firmwareMatch-

mediatek mt8678Match-

Node

AND

mediatek mt8755_firmwareMatch-

mediatek mt8755Match-

Node

AND

mediatek mt8765_firmwareMatch-

mediatek mt8765Match-

Node

AND

mediatek mt8766_firmwareMatch-

mediatek mt8766Match-

Node

AND

mediatek mt8766r_firmwareMatch-

mediatek mt8766rMatch-

Node

AND

mediatek mt8768_firmwareMatch-

mediatek mt8768Match-

Node

AND

mediatek mt8771_firmwareMatch-

mediatek mt8771Match-

Node

AND

mediatek mt8775_firmwareMatch-

mediatek mt8775Match-

Node

AND

mediatek mt8781_firmwareMatch-

mediatek mt8781Match-

Node

AND

mediatek mt8786_firmwareMatch-

mediatek mt8786Match-

Node

AND

mediatek mt8788_firmwareMatch-

mediatek mt8788Match-

Node

AND

mediatek mt8788e_firmwareMatch-

mediatek mt8788eMatch-

Node

AND

mediatek mt8789_firmwareMatch-

mediatek mt8789Match-

Node

AND

mediatek mt8791_firmwareMatch-

mediatek mt8791Match-

Node

AND

mediatek mt8791t_firmwareMatch-

mediatek mt8791tMatch-

Node

AND

mediatek mt8792_firmwareMatch-

mediatek mt8792Match-

Node

AND

mediatek mt8793_firmwareMatch-

mediatek mt8793Match-

Node

AND

mediatek mt8795t_firmwareMatch-

mediatek mt8795tMatch-

Node

AND

mediatek mt8796_firmwareMatch-

mediatek mt8796Match-

Node

AND

mediatek mt8797_firmwareMatch-

mediatek mt8797Match-

Node

AND

mediatek mt8798_firmwareMatch-

mediatek mt8798Match-

Node

AND

mediatek mt8863_firmwareMatch-

mediatek mt8863Match-

Node

AND

mediatek mt8873_firmwareMatch-

mediatek mt8873Match-

Node

AND

mediatek mt8883_firmwareMatch-

mediatek mt8883Match-

Node

AND

mediatek mt8893_firmwareMatch-

mediatek mt8893Match-

[
  {
    "vendor": "MediaTek, Inc.",
    "product": "MediaTek chipset",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "MT2716",
        "status": "affected"
      },
      {
        "version": "MT2735",
        "status": "affected"
      },
      {
        "version": "MT2737",
        "status": "affected"
      },
      {
        "version": "MT6739",
        "status": "affected"
      },
      {
        "version": "MT6761",
        "status": "affected"
      },
      {
        "version": "MT6762",
        "status": "affected"
      },
      {
        "version": "MT6763",
        "status": "affected"
      },
      {
        "version": "MT6765",
        "status": "affected"
      },
      {
        "version": "MT6767",
        "status": "affected"
      },
      {
        "version": "MT6768",
        "status": "affected"
      },
      {
        "version": "MT6769",
        "status": "affected"
      },
      {
        "version": "MT6771",
        "status": "affected"
      },
      {
        "version": "MT6779",
        "status": "affected"
      },
      {
        "version": "MT6781",
        "status": "affected"
      },
      {
        "version": "MT6783",
        "status": "affected"
      },
      {
        "version": "MT6785",
        "status": "affected"
      },
      {
        "version": "MT6789",
        "status": "affected"
      },
      {
        "version": "MT6813",
        "status": "affected"
      },
      {
        "version": "MT6815",
        "status": "affected"
      },
      {
        "version": "MT6833",
        "status": "affected"
      },
      {
        "version": "MT6835",
        "status": "affected"
      },
      {
        "version": "MT6853",
        "status": "affected"
      },
      {
        "version": "MT6855",
        "status": "affected"
      },
      {
        "version": "MT6858",
        "status": "affected"
      },
      {
        "version": "MT6873",
        "status": "affected"
      },
      {
        "version": "MT6875",
        "status": "affected"
      },
      {
        "version": "MT6877",
        "status": "affected"
      },
      {
        "version": "MT6878",
        "status": "affected"
      },
      {
        "version": "MT6879",
        "status": "affected"
      },
      {
        "version": "MT6880",
        "status": "affected"
      },
      {
        "version": "MT6881",
        "status": "affected"
      },
      {
        "version": "MT6883",
        "status": "affected"
      },
      {
        "version": "MT6885",
        "status": "affected"
      },
      {
        "version": "MT6886",
        "status": "affected"
      },
      {
        "version": "MT6889",
        "status": "affected"
      },
      {
        "version": "MT6890",
        "status": "affected"
      },
      {
        "version": "MT6891",
        "status": "affected"
      },
      {
        "version": "MT6893",
        "status": "affected"
      },
      {
        "version": "MT6895",
        "status": "affected"
      },
      {
        "version": "MT6896",
        "status": "affected"
      },
      {
        "version": "MT6897",
        "status": "affected"
      },
      {
        "version": "MT6899",
        "status": "affected"
      },
      {
        "version": "MT6980",
        "status": "affected"
      },
      {
        "version": "MT6982",
        "status": "affected"
      },
      {
        "version": "MT6983",
        "status": "affected"
      },
      {
        "version": "MT6985",
        "status": "affected"
      },
      {
        "version": "MT6986",
        "status": "affected"
      },
      {
        "version": "MT6988",
        "status": "affected"
      },
      {
        "version": "MT6989",
        "status": "affected"
      },
      {
        "version": "MT6990",
        "status": "affected"
      },
      {
        "version": "MT6991",
        "status": "affected"
      },
      {
        "version": "MT6993",
        "status": "affected"
      },
      {
        "version": "MT8666",
        "status": "affected"
      },
      {
        "version": "MT8667",
        "status": "affected"
      },
      {
        "version": "MT8668",
        "status": "affected"
      },
      {
        "version": "MT8673",
        "status": "affected"
      },
      {
        "version": "MT8675",
        "status": "affected"
      },
      {
        "version": "MT8676",
        "status": "affected"
      },
      {
        "version": "MT8678",
        "status": "affected"
      },
      {
        "version": "MT8755",
        "status": "affected"
      },
      {
        "version": "MT8765",
        "status": "affected"
      },
      {
        "version": "MT8766",
        "status": "affected"
      },
      {
        "version": "MT8766R",
        "status": "affected"
      },
      {
        "version": "MT8768",
        "status": "affected"
      },
      {
        "version": "MT8771",
        "status": "affected"
      },
      {
        "version": "MT8775",
        "status": "affected"
      },
      {
        "version": "MT8781",
        "status": "affected"
      },
      {
        "version": "MT8786",
        "status": "affected"
      },
      {
        "version": "MT8788",
        "status": "affected"
      },
      {
        "version": "MT8788E",
        "status": "affected"
      },
      {
        "version": "MT8789",
        "status": "affected"
      },
      {
        "version": "MT8791",
        "status": "affected"
      },
      {
        "version": "MT8791T",
        "status": "affected"
      },
      {
        "version": "MT8792",
        "status": "affected"
      },
      {
        "version": "MT8793",
        "status": "affected"
      },
      {
        "version": "MT8795T",
        "status": "affected"
      },
      {
        "version": "MT8796",
        "status": "affected"
      },
      {
        "version": "MT8797",
        "status": "affected"
      },
      {
        "version": "MT8798",
        "status": "affected"
      },
      {
        "version": "MT8863",
        "status": "affected"
      },
      {
        "version": "MT8873",
        "status": "affected"
      },
      {
        "version": "MT8883",
        "status": "affected"
      },
      {
        "version": "MT8893",
        "status": "affected"
      }
    ]
  }
]

Source	Link
mediatek	www.mediatek.com/product-security-bulletin/October-2026

09 Oct 2026 17:35Current

6Medium risk

Vulners AI Score6

CVSS 3.15.3

EPSS0.00182

SSVC

CWE-126