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CVE-2026-20433

In Modem, there is a possible out of bounds write due to a missing bounds check.

Published Apr 7, 2026 · updated Jun 17, 2026 · mediatek mt2735 firmware

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.

  2. Jun 17, 2026 · NIST NVD

    Updated

    In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01088681; Issue ID: MSV-4460.

Affected

  • cpe mediatek/mt2735 firmwareversion unspecified
  • cpe mediatek/mt2737 firmwareversion unspecified
  • cpe mediatek/mt6813 firmwareversion unspecified
  • cpe mediatek/mt6833 firmwareversion unspecified
  • cpe mediatek/mt6833p firmwareversion unspecified
  • cpe mediatek/mt6835 firmwareversion unspecified
  • cpe mediatek/mt6835t firmwareversion unspecified
  • cpe mediatek/mt6853 firmwareversion unspecified
  • cpe mediatek/mt6853t firmwareversion unspecified
  • cpe mediatek/mt6855 firmwareversion unspecified
  • cpe mediatek/mt6855t firmwareversion unspecified
  • cpe mediatek/mt6873 firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-20433

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-20433

    In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed

    nvd.nist.gov

References