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Medium · 6.7 Public exploit CVE-2023-20696 EUVD-2023-24875

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with …

Published May 15, 2023 · Updated Jan 23, 2025 · Assigned by MediaTek

Vendor: MediaTek Product: MT6880, MT6890, MT8167, MT8175, MT8185, MT8195, MT8321, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT879

Description

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).

Affected products

VendorProductAffectedFixed
MediaTek MT6880, MT6890, MT8167, MT8175, MT8185, MT8195, MT8321, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT879 Android 13.0 / OpenWrt 19.07, 21.02 —

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 3 repositories

  • kasnria001/pwnage24mtk ★ 48 · Jun 22, 2026

    Cert exploit for MTK devices.There is a logic flaw in MTK cert verification process.Similar to CVE-2023-20696.

  • ELF-RC/mtk_logo_toolkit ★ 10 · Oct 5, 2026

    Rust toolchain for MediaTek logo images: unpack, edit, repack, and bypass CERT2 signature verification (CVE-2023-20696 / CVE-2025-20730).

  • wzy114514sb/pwnage24mtk ★ 6 · Jun 28, 2026

    Cert exploit for MTK devices.There is a logic flaw in MTK cert verification process.Similar to CVE-2023-20696.

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

Advisories 2

References