CVE-2026-20503

🗓️ 07 Sep 2026 01:57:17Reported by MediaTekType

Missing bounds check in Modem allows remote DoS via rogue base station connection.

Reporter	Title	Published	Views	Family All 8
Circl	CVE-2026-20503	7 Sep 202612:45	–	circl
Cvelist	CVE-2026-20503	7 Sep 202601:57	–	cvelist
EUVD	EUVD-2026-72196	7 Sep 202601:57	–	euvd
NVD	CVE-2026-20503	7 Sep 202602:17	–	nvd
OSV	ASB-A-528211067	1 Sep 202600:00	–	osv
Positive Technologies	PT-2026-86599	7 Sep 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-20503: Reachable Assertion	7 Sep 202600:00	–	rapid7
Vulnrichment	CVE-2026-20503	7 Sep 202601:57	–	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 mt6813_firmwareMatch-

mediatek mt6813Match-

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 mt6982vb_firmwareMatch-

mediatek mt6982vbMatch-

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 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 mt8771_firmwareMatch-

mediatek mt8771Match-

Node

AND

mediatek mt8775_firmwareMatch-

mediatek mt8775Match-

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": "MT6813",
        "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": "MT6982VB",
        "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": "MT8668",
        "status": "affected"
      },
      {
        "version": "MT8673",
        "status": "affected"
      },
      {
        "version": "MT8675",
        "status": "affected"
      },
      {
        "version": "MT8676",
        "status": "affected"
      },
      {
        "version": "MT8678",
        "status": "affected"
      },
      {
        "version": "MT8755",
        "status": "affected"
      },
      {
        "version": "MT8771",
        "status": "affected"
      },
      {
        "version": "MT8775",
        "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/September-2026

09 Sep 2026 02:55Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.15.3

EPSS0.00192

SSVC

CWE-617