CVE-2025-20723
NixOS vulnerability analysis and mitigation

Overview

CVE-2025-20723 is a medium severity vulnerability affecting MediaTek's GNSS (Global Navigation Satellite System) driver. The vulnerability was discovered and disclosed in October 2025, affecting multiple MediaTek chipsets including MT6835, MT6878, MT6886, MT6897, MT6899, MT6985, MT6989, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, and MT8873 (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write (CWE-787) vulnerability that occurs due to an incorrect bounds check in the GNSS driver. The issue has been assigned a medium severity rating based on CVSS v3.1 scoring system (MediaTek Bulletin).

Impact

This vulnerability could lead to local escalation of privilege if exploited by a malicious actor who has already obtained System privilege. The vulnerability requires no user interaction for exploitation (NVD).

Mitigation and workarounds

MediaTek has developed patches for this vulnerability (Patch ID: ALPS09920033; Issue ID: MSV-3797) and has notified device OEMs of the security patches at least two months before publication (MediaTek Bulletin).

Additional resources


SourceThis report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-69264CRITICAL9.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-69263HIGH8.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-69262HIGH7.8
  • JavaScriptJavaScript
  • pnpm
NoYesJan 07, 2026
CVE-2025-20807MEDIUM6.7
  • NixOSNixOS
  • android
NoNoJan 06, 2026
CVE-2026-21885MEDIUM6.5
  • NixOSNixOS
  • miniflux
NoYesJan 08, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management