CVE-2025-20730

MEDIUM

Published Nov 4, 2025 Modified Nov 5, 2025 CWE-287

Description

In preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10068463; Issue ID: MSV-4141.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
linuxfoundation	yocto	All
rdkcentral	rdk-b	All
google	android	All
google	android	All
google	android	All
google	android	All
openwrt	openwrt	All
openwrt	openwrt	All
mediatek	mt2737	All
mediatek	mt6739	All
mediatek	mt6761	All
mediatek	mt6765	All
mediatek	mt6768	All
mediatek	mt6781	All
mediatek	mt6789	All
mediatek	mt6833	All
mediatek	mt6835	All
mediatek	mt6853	All
mediatek	mt6855	All
mediatek	mt6877	All
mediatek	mt6878	All
mediatek	mt6879	All
mediatek	mt6883	All
mediatek	mt6885	All
mediatek	mt6886	All
mediatek	mt6889	All
mediatek	mt6893	All
mediatek	mt6895	All
mediatek	mt6897	All
mediatek	mt6899	All
mediatek	mt6983	All
mediatek	mt6985	All
mediatek	mt6989	All
mediatek	mt6990	All
mediatek	mt6991	All
mediatek	mt8188	All
mediatek	mt8195	All
mediatek	mt8676	All
mediatek	mt8678	All
mediatek	mt8696	All

References

Advisories & Patches

https://corp.mediatek.com/product-security-bulletin/November-2025

Frequently Asked Questions

What is CVE-2025-20730? +

How severe is CVE-2025-20730? +

CVE-2025-20730 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-20730? +

CVE-2025-20730 affects products from google, linuxfoundation, mediatek, openwrt, rdkcentral, specifically: android, mt2737, mt6739, mt6761, mt6765, mt6768, mt6781, mt6789, mt6833, mt6835, mt6853, mt6855, mt6877, mt6878, mt6879, mt6883, mt6885, mt6886, mt6889, mt6893, mt6895, mt6897, mt6899, mt6983, mt6985, mt6989, mt6990, mt6991, mt8188, mt8195, mt8676, mt8678, mt8696, openwrt, rdk-b, yocto. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20730? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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