CVE-2025-20704
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-01

Last updated on: 2026-02-17

Assigner: MediaTek, Inc.

Description
In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01516959; Issue ID: MSV-3502.
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Meta Information
Published
2025-09-01
Last Modified
2026-02-17
Generated
2026-06-16
AI Q&A
2025-09-01
EPSS Evaluated
2026-06-15
NVD
CVE-2025-20704
EUVD
EUVD-2025-26486
Affected Vendors & Products
Showing 16 associated CPEs
Vendor Product Version / Range
mediatek nr17 *
mediatek nr17r *
mediatek mt6813 *
mediatek mt6835 *
mediatek mt6835t *
mediatek mt6878 *
mediatek mt6878m *
mediatek mt6897 *
mediatek mt6899 *
mediatek mt6991 *
mediatek mt8676 *
mediatek mt8678 *
mediatek mt8792 *
mediatek mt8863 *
mediatek mt8873 *
mediatek mt8883 *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is an out of bounds write in the Modem component caused by a missing bounds check. It can be exploited remotely if a user equipment (UE) connects to a rogue base station controlled by an attacker. Exploitation requires user interaction but no additional execution privileges are needed.

Impact Analysis

The vulnerability can lead to remote escalation of privilege, allowing an attacker to gain higher privileges on the affected device by tricking it into connecting to a malicious base station.

Mitigation Strategies

Apply the patch identified as MOLY01516959 provided by the vendor to fix the out of bounds write issue. Additionally, avoid connecting to untrusted or rogue base stations to reduce the risk of exploitation.

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