CVE-2025-20728
Summary
| CVE | CVE-2025-20728 |
|---|---|
| State | PUBLISHED |
| Assigner | MediaTek |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-11-04 07:15:35 UTC |
| Updated | 2026-06-17 08:41:56 UTC |
| Description | In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from ADP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.001460000 probability, percentile 0.034230000 (date 2026-10-18)
Problem Types: CWE-122 | CWE-787 | CWE-122 CWE-122 Heap Overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Mediatek | Mt7902 | - | All | All | All |
| Hardware | Mediatek | Mt7920 | - | All | All | All |
| Hardware | Mediatek | Mt7921 | - | All | All | All |
| Hardware | Mediatek | Mt7922 | - | All | All | All |
| Hardware | Mediatek | Mt7925 | - | All | All | All |
| Hardware | Mediatek | Mt7927 | - | All | All | All |
| Application | Mediatek | Software Development Kit | 3.7 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | MediaTek Inc. | MT7902 MT7920 MT7921 MT7922 MT7925 MT7927 | affected NB SDK release 3.7 and before | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| corp.mediatek.com/product-security-bulletin/November-2025 | [email protected] | corp.mediatek.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.