What is the CVSS score of CVE-2025-20703?

CVE-2025-20703 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-2025-20703?

CVE-2025-20703 presents notable security risk, a out-of-bounds read vulnerability rated CVSS 6.5. Exploitation could cause memory corruption or application crashes.

How to fix or mitigate CVE-2025-20703?

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

Nr15 CVE-2025-20703

MEDIUM

Out-of-bounds Read (CWE-125)

2025-09-01 security@mediatek.com

Denial Of Service Buffer Overflow Information Disclosure Nr15 Nr16 Nr17 Nr17r

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 - 19:09 vuln.today

CVE Published

Sep 01, 2025 - 06:15 nvd

MEDIUM 6.5

DescriptionCVE.org

In Modem, there is a possible out of bounds read due to an incorrect bounds check. 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: MOLY01599794; Issue ID: MSV-3708.

AnalysisAI

In Modem, there is a possible out of bounds read due to an incorrect bounds check. 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 as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. In Modem, there is a possible out of bounds read due to an incorrect bounds check. 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: MOLY01599794; Issue ID: MSV-3708. Affected products include: Mediatek Nr15, Mediatek Nr16, Mediatek Nr17, Mediatek Nr17R.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

CVE-2025-20703 vulnerability details – vuln.today

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Nr15 CVE-2025-20703

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code