CVE-2026-20520
High
Description
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: MOLY01778988; Issue ID: MSV-8897.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMediatek Mt2716 Firmware
PublishedOct 5, 2026
First seenOct 5, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek mt2716_firmware | No range specified | — |
| mediatek mt2735_firmware | No range specified | — |
| mediatek mt2737_firmware | No range specified | — |
| mediatek mt6813_firmware | No range specified | — |
| mediatek mt6815_firmware | No range specified | — |
| mediatek mt6833_firmware | No range specified | — |
| mediatek mt6835_firmware | No range specified | — |
| mediatek mt6853_firmware | No range specified | — |
| mediatek mt6855_firmware | No range specified | — |
| mediatek mt6858_firmware | No range specified | — |
| mediatek mt6873_firmware | No range specified | — |
| mediatek mt6875_firmware | No range specified | — |
| mediatek mt6877_firmware | No range specified | — |
| mediatek mt6878_firmware | No range specified | — |
| mediatek mt6879_firmware | No range specified | — |
| mediatek mt6880_firmware | No range specified | — |
| mediatek mt6881_firmware | No range specified | — |
| mediatek mt6883_firmware | No range specified | — |
| mediatek mt6885_firmware | No range specified | — |
| mediatek mt6886_firmware | No range specified | — |
| mediatek mt6889_firmware | No range specified | — |
| mediatek mt6890_firmware | No range specified | — |
| mediatek mt6891_firmware | No range specified | — |
| mediatek mt6893_firmware | No range specified | — |
| mediatek mt6895_firmware | No range specified | — |
| mediatek mt6896_firmware | No range specified | — |
| mediatek mt6897_firmware | No range specified | — |
| mediatek mt6899_firmware | No range specified | — |
| mediatek mt6980_firmware | No range specified | — |
| mediatek mt6982_firmware | No range specified | — |
| mediatek mt6983_firmware | No range specified | — |
| mediatek mt6985_firmware | No range specified | — |
| mediatek mt6986_firmware | No range specified | — |
| mediatek mt6988_firmware | No range specified | — |
| mediatek mt6989_firmware | No range specified | — |
| mediatek mt6990_firmware | No range specified | — |
| mediatek mt6991_firmware | No range specified | — |
| mediatek mt6993_firmware | No range specified | — |
| mediatek mt8668_firmware | No range specified | — |
| mediatek mt8676_firmware | No range specified | — |
| mediatek mt8678_firmware | No range specified | — |
| mediatek mt8755_firmware | No range specified | — |
| mediatek mt8771_firmware | No range specified | — |
| mediatek mt8775_firmware | No range specified | — |
| mediatek mt8791_firmware | No range specified | — |
| mediatek mt8791t_firmware | No range specified | — |
| mediatek mt8792_firmware | No range specified | — |
| mediatek mt8793_firmware | No range specified | — |
| mediatek mt8796_firmware | No range specified | — |
| mediatek mt8797_firmware | No range specified | — |
| mediatek mt8798_firmware | No range specified | — |
| mediatek mt8863_firmware | No range specified | — |
| mediatek mt8873_firmware | No range specified | — |
| mediatek mt8883_firmware | No range specified | — |
| mediatek mt8893_firmware | No range specified | — |
| mediatek mt8695_firmware | No range specified | — |
| mediatek mt8696_firmware | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.