CVE-2025-20657:The CVE-2025-20657 is a vulnerability in MediaTek's vdec, which could potentially allow a local escalation of privilege due to improper input validation.

splash
Back

Description Preview

The vulnerability, identified as CVE-2025-20657, is found in MediaTek's vdec. It is a permission bypass vulnerability caused by improper input validation. This could lead to a local escalation of privilege if a malicious actor has already obtained the System privilege. The vulnerability does not require user interaction for exploitation. The affected products include MT6765, MT6768, MT6781, MT6789, MT6833, MT6853, MT6877, MT6885, MT8768, MT8771, MT8781, MT8786, MT8791T running on Android 12.0 and 15.0. The vulnerability has a CVSS v3.1 base score of 6.7, indicating a medium severity level.

Overview

The vulnerability is a result of improper input validation in MediaTek's vdec. If a malicious actor has already obtained the System privilege, they could exploit this vulnerability to escalate their privileges locally. The vulnerability does not require user interaction for exploitation. The affected products include a range of MediaTek's chipsets running on Android 12.0 and 15.0.

Remediation

MediaTek has released a patch to address this vulnerability. Users are advised to apply the patch (Patch ID: ALPS09486425) as soon as possible to mitigate the risk. It is also recommended to always keep your system and applications up-to-date to prevent exploitation of known vulnerabilities.

References

For more information about this vulnerability, you can visit MediaTek's product security bulletin at https://corp.mediatek.com/product-security-bulletin/April-2025.

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Transportation & Warehousing
    Transportation & Warehousing
  2. Accommodation & Food Services
    Accommodation & Food Services
  3. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  4. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  5. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  6. Construction
    Construction
  7. Educational Services
    Educational Services
  8. Finance and Insurance
    Finance and Insurance
  9. Health Care & Social Assistance
    Health Care & Social Assistance
  10. Information
    Information
  11. Management of Companies & Enterprises
    Management of Companies & Enterprises
  12. Manufacturing
    Manufacturing
  13. Mining
    Mining
  14. Other Services (except Public Administration)
    Other Services (except Public Administration)
  15. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  16. Public Administration
    Public Administration
  17. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  18. Retail Trade
    Retail Trade
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

Let's talk!

background
Armis Vulnerability Intelligence Database