עברית

Vulnerability Intelligence

CVE-2026-20519

High 7.5

Published
Last modified
NVD status
Analyzed

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: MOLY01778993; Issue ID: MSV-8898.

Affected products

mediatek: mt6833 firmware; mediatek: mt6833; mediatek: mt6835 firmware; mediatek: mt6835; mediatek: mt6853 firmware; mediatek: mt6853; mediatek: mt6855 firmware; mediatek: mt6855; mediatek: mt6858 firmware; mediatek: mt6858; mediatek: mt6873 firmware; mediatek: mt6873; mediatek: mt6875 firmware; mediatek: mt6875; mediatek: mt6877 firmware

References1

Metrics

CVSS 3.1
7.5 HIGH Score source: CNA CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 14 · as of 10 November 2026
CWE
CWE-787

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.