CVE-2026-20449
In Modem, there is a possible system crash due to a heap buffer overflow.
Published May 4, 2026 · updated Jun 17, 2026 · mediatek mt6763 firmware
In Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148.
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.
May 4, 2026 · NIST NVD
Detected
In Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148.
Jun 17, 2026 · NIST NVD
Updated
In Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148.
Affected
- cpe mediatek/mt6763 firmwareversion unspecified
- cpe mediatek/mt6765 firmwareversion unspecified
- cpe mediatek/mt6767 firmwareversion unspecified
- cpe mediatek/mt6768 firmwareversion unspecified
- cpe mediatek/mt6769 firmwareversion unspecified
- cpe mediatek/mt6771 firmwareversion unspecified
- cpe mediatek/mt6779 firmwareversion unspecified
- cpe mediatek/mt6781 firmwareversion unspecified
- cpe mediatek/mt6783 firmwareversion unspecified
- cpe mediatek/mt6785 firmwareversion unspecified
- cpe mediatek/mt6789 firmwareversion unspecified
- cpe mediatek/mt6813 firmwareversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-20449
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-20449
In Modem, there is a possible system crash due to a heap buffer overflow. 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 expl
nvd.nist.gov