CVE-2026-20430

HIGH EPSS 13.0%
Published Mar 2, 20263mo ago · Modified Mar 2, 20263mo ago
8.8 CVSS 3.1
High
Find Similar
Published Mar 2, 2026 3mo ago
Last Modified Mar 2, 2026 3mo ago

Description

In wlan AP FW, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00467553; Issue ID: MSV-5151.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
13.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 9

VendorProductVersionRange
mediateksoftware_development_kit* ≤7.6.7.3
openwrtopenwrt19.07.0any
openwrtopenwrt21.02.0any
openwrtopenwrt23.05.0any
mediatekmt6890*any
mediatekmt7915*any
mediatekmt7916*any
mediatekmt7981*any
mediatekmt7986*any

References 1

  • corp.mediatek.com https://corp.mediatek.com/product-security-bulletin/March-2026
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.