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CRITICAL · 9.8

CVE-2025-20646

In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interact...

Vulnerability Description

In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389074; Issue ID: MSV-1803.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MediatekSoftware Development Kit< 7.6.7.2
MediatekMt6890-
MediatekMt7915-
MediatekMt7916-
MediatekMt7981-
MediatekMt7986-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2025-20646?

CVE-2025-20646 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interact...

How severe is CVE-2025-20646?

CVE-2025-20646 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-20646?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Software Development Kit, Mediatek Mt6890, Mediatek Mt7915, Mediatek Mt7916, Mediatek Mt7981.