What is the CVSS score of CVE-2025-20644?

CVE-2025-20644 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Nr15 are affected by CVE-2025-20644?

CVE-2025-20644 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-20644?

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

Nr15 CVE-2025-20644

MEDIUM

Improper Validation of Syntactic Correctness of Input (CWE-1286)

2025-03-03 security@mediatek.com

Buffer Overflow Denial Of Service Nr15 Nr16

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:29 vuln.today

CVE Published

Mar 03, 2025 - 03:15 nvd

MEDIUM 6.5

DescriptionCVE.org

In Modem, there is a possible memory corruption due to incorrect error handling. 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: MOLY01525673; Issue ID: MSV-2747.

AnalysisAI

In Modem, there is a possible memory corruption due to incorrect error handling. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1286. In Modem, there is a possible memory corruption due to incorrect error handling. 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: MOLY01525673; Issue ID: MSV-2747. Affected products include: Mediatek Nr15, Mediatek Nr16.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-20644 vulnerability details – vuln.today

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Nr15 CVE-2025-20644

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code