CVE-2026-20457

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01826924; Issue ID: MSV-7301.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/July-2026

Configurations

No configuration.

History

01 Jul 2026, 12:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.3

01 Jul 2026, 04:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 04:17

Updated : 2026-07-01 18:16

NVD link : CVE-2026-20457

Mitre link : CVE-2026-20457

CVE.ORG link : CVE-2026-20457

JSON object : View

Products Affected

No product.

CWE

CWE-476

NULL Pointer Dereference

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