---
id: CVE-2025-20755
title: >-
  In Modem, there is a possible application crash due to improper input
  validation
summary: >-
  In Modem, there is a possible application 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 privile…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
vendor: mediatek
product: nr15
affected:
  - nr15
published: '2025-12-02'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-20755'
references:
  - url: 'https://corp.mediatek.com/product-security-bulletin/December-2025'
    label: security@mediatek.com
tags:
  - nvd
epss: 0.00366
epssPercentile: 0.27773
ingestedAt: '2026-09-26T00:22:39.997Z'
---

## Overview

In Modem, there is a possible application 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: MOLY00628396; Issue ID: MSV-4775.

## Affected

- `nr15`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.