high7.5
CVE-2026-20519
In Modem, there is a possible out of bounds write due to a missing bounds check.
Impact
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 not needed for exploitation. Patch ID: MOLY01778993; Issue ID: MSV-8898.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mediatek | Mt6833 Firmware | All versions |
| Mediatek | Mt6835 Firmware | All versions |
| Mediatek | Mt6853 Firmware | All versions |
| Mediatek | Mt6855 Firmware | All versions |
| Mediatek | Mt6858 Firmware | All versions |
| Mediatek | Mt6873 Firmware | All versions |
| Mediatek | Mt6875 Firmware | All versions |
| Mediatek | Mt6877 Firmware | All versions |
| Mediatek | Mt6878 Firmware | All versions |
| Mediatek | Mt6879 Firmware | All versions |
| Mediatek | Mt6880 Firmware | All versions |
| Mediatek | Mt6881 Firmware | All versions |