Skip to content
OpenAdvisories
Medium · 6.5 Public exploit CVE-2026-20404 EUVD-2026-5144GHSA-r9vx-549f-9225

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has conne…

Published Feb 2, 2026 · Updated Mar 30, 2026 · Assigned by MediaTek

Vendor: MediaTek Product: MediaTek chipset

Description

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01689248; Issue ID: MSV-4837.

Affected products

VendorProductAffectedFixed
MediaTek MediaTek chipset MT2735, MT2737, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6858, MT6873, MT6875, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6896, MT6897, MT6899, MT6980, MT6983, MT6985, MT6986, MT6989, MT6990, MT6991, MT6993, MT8668, MT8673, MT8675, MT8… —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References