High severity7.5NVD Advisory· Published Aug 3, 2026· Updated Aug 19, 2026
CVE-2026-20479
CVE-2026-20479
Description
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: MOLY00741071; Issue ID: MSV-7620.
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Affected products
20cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6873_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6880_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt8675_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt8797_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6875_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt6891_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt8771_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:mt8791_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- www.mediatek.com/product-security-bulletin/August-2026nvdVendor Advisory
News mentions
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