CVE-2025-20727
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-04

Last updated on: 2026-02-04

Assigner: MediaTek, Inc.

Description
In Modem, there is a possible out of bounds write due to a heap buffer overflow. 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 not needed for exploitation. Patch ID: MOLY01672601; Issue ID: MSV-4623.
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Meta Information
Published
2025-11-04
Last Modified
2026-02-04
Generated
2026-05-09
AI Q&A
2025-11-04
EPSS Evaluated
2026-05-07
NVD
CVE-2025-20727
Affected Vendors & Products
Showing 89 associated CPEs
Vendor Product Version / Range
mediatek lr12a *
mediatek nr15 *
mediatek nr16 *
mediatek nr17 *
mediatek nr17r *
mediatek mt2735 *
mediatek mt2737 *
mediatek mt6739 *
mediatek mt6761 *
mediatek mt6762 *
mediatek mt6762d *
mediatek mt6762m *
mediatek mt6763 *
mediatek mt6765 *
mediatek mt6765t *
mediatek mt6767 *
mediatek mt6768 *
mediatek mt6769 *
mediatek mt6769k *
mediatek mt6769s *
mediatek mt6769t *
mediatek mt6769z *
mediatek mt6771 *
mediatek mt6813 *
mediatek mt6833 *
mediatek mt6833p *
mediatek mt6835 *
mediatek mt6835t *
mediatek mt6853 *
mediatek mt6853t *
mediatek mt6855 *
mediatek mt6855t *
mediatek mt6873 *
mediatek mt6875 *
mediatek mt6875t *
mediatek mt6877 *
mediatek mt6877t *
mediatek mt6877tt *
mediatek mt6878 *
mediatek mt6878m *
mediatek mt6879 *
mediatek mt6880 *
mediatek mt6883 *
mediatek mt6885 *
mediatek mt6886 *
mediatek mt6889 *
mediatek mt6890 *
mediatek mt6891 *
mediatek mt6893 *
mediatek mt6895 *
mediatek mt6895tt *
mediatek mt6896 *
mediatek mt6897 *
mediatek mt6899 *
mediatek mt6980 *
mediatek mt6980d *
mediatek mt6983 *
mediatek mt6983t *
mediatek mt6985 *
mediatek mt6985t *
mediatek mt6989 *
mediatek mt6989t *
mediatek mt6990 *
mediatek mt6991 *
mediatek mt8666 *
mediatek mt8667 *
mediatek mt8673 *
mediatek mt8675 *
mediatek mt8676 *
mediatek mt8678 *
mediatek mt8765 *
mediatek mt8766 *
mediatek mt8766r *
mediatek mt8768 *
mediatek mt8771 *
mediatek mt8786 *
mediatek mt8788 *
mediatek mt8788e *
mediatek mt8791 *
mediatek mt8791t *
mediatek mt8792 *
mediatek mt8793 *
mediatek mt8795t *
mediatek mt8797 *
mediatek mt8798 *
mediatek mt8863 *
mediatek mt8873 *
mediatek mt8883 *
mediatek mt8893 *
Helpful Resources
Exploitability
CWE
CWE Icon
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.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a heap buffer overflow in the modem component that can cause an out of bounds write. It can be exploited remotely if a user equipment (UE) connects to a rogue base station controlled by an attacker. No user interaction or additional execution privileges are required for exploitation.


How can this vulnerability impact me? :

The vulnerability can lead to remote escalation of privilege, allowing an attacker controlling a rogue base station to gain higher privileges on the affected device without needing user interaction or additional execution privileges.


What immediate steps should I take to mitigate this vulnerability?

Apply the patch identified as MOLY01672601 provided by the vendor to fix the out of bounds write vulnerability in the modem. Avoid connecting to untrusted or rogue base stations to reduce the risk of exploitation.


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