What is the CVSS score of CVE-2025-20635?

CVE-2025-20635 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Android are affected by CVE-2025-20635?

CVE-2025-20635 presents notable security risk, a out-of-bounds write vulnerability rated CVSS 6.6. Exploitation could cause memory corruption or application crashes.

How to fix or mitigate CVE-2025-20635?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Android CVE-2025-20635

MEDIUM

Out-of-bounds Write (CWE-787)

2025-02-03 security@mediatek.com

Privilege Escalation Buffer Overflow Google Memory Corruption Android Openwrt Rdk B Yocto

6.6

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:06 vuln.today

CVE Published

Feb 03, 2025 - 04:15 nvd

MEDIUM 6.6

DescriptionNVD

In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434.

AnalysisAI

In V6 DA, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434. Affected products include: Linuxfoundation Yocto, Rdkcentral Rdk-B, Google Android, Openwrt.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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CVE-2025-20635 vulnerability details – vuln.today

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Android CVE-2025-20635

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code