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CVE-2025-20753 Details
Description
In Modem, there is a possible system crash due to an uncaught exception. 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: MOLY01689252; Issue ID: MSV-4841.
A denial-of-service vulnerability has been identified in the MediaTek Modem component of various chipsets. This issue arises from an uncaught exception, which can cause a system crash. The vulnerability can be exploited remotely if a user equipment (UE) device is connected to a rogue base station controlled by an attacker. Notably, no additional execution privileges are required for exploitation, and user interaction is not needed.
A patch for this vulnerability is available as part of the MediaTek December 2025 Product Security Bulletin.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 2, 2025Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://corp.mediatek.com/product-security-bulletin/December-2025 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-248 | Uncaught Exception | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mediatek nr15 | All versions |
CPE
Remediation
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| mediatek nr16 | All versions |
CPE
Remediation
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| mediatek mt2735 | All versions |
CPE
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| mediatek mt2737 | All versions |
CPE
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| mediatek mt6833 | All versions |
CPE
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| mediatek mt6833p | All versions |
CPE
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| mediatek mt6853 | All versions |
CPE
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| mediatek mt6853t | All versions |
CPE
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| mediatek mt6855 | All versions |
CPE
Remediation
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| mediatek mt6855t | All versions |
CPE
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| mediatek mt6873 | All versions |
CPE
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| mediatek mt6875 | All versions |
CPE
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| mediatek mt6875t | All versions |
CPE
Remediation
| |
| mediatek mt6877 | All versions |
CPE
Remediation
| |
| mediatek mt6877t | All versions |
CPE
Remediation
| |
| mediatek mt6877tt | All versions |
CPE
Remediation
| |
| mediatek mt6879 | All versions |
CPE
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| mediatek mt6880 | All versions |
CPE
Remediation
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| mediatek mt6883 | All versions |
CPE
Remediation
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| mediatek mt6885 | All versions |
CPE
Remediation
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| mediatek mt6886 | All versions |
CPE
Remediation
| |
| mediatek mt6889 | All versions |
CPE
Remediation
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| mediatek mt6890 | All versions |
CPE
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| mediatek mt6891 | All versions |
CPE
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| mediatek mt6893 | All versions |
CPE
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| mediatek mt6895 | All versions |
CPE
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| mediatek mt6895tt | All versions |
CPE
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| mediatek mt6896 | All versions |
CPE
Remediation
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| mediatek mt6980 | All versions |
CPE
Remediation
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| mediatek mt6980d | All versions |
CPE
Remediation
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| mediatek mt6983 | All versions |
CPE
Remediation
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| mediatek mt6983t | All versions |
CPE
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| mediatek mt6985 | All versions |
CPE
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| mediatek mt6985t | All versions |
CPE
Remediation
| |
| mediatek mt6989 | All versions |
CPE
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| |
| mediatek mt6989t | All versions |
CPE
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| mediatek mt6990 | All versions |
CPE
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| mediatek mt8675 | All versions |
CPE
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| mediatek mt8771 | All versions |
CPE
Remediation
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| mediatek mt8791 | All versions |
CPE
Remediation
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| mediatek mt8791t | All versions |
CPE
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| mediatek mt8797 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Dec 4, 2025 | Initial Analysis | [email protected] |
| Dec 2, 2025 | CVE Modified | CISA-ADP |
| Dec 2, 2025 | New CVE Received | [email protected] |