# CVE-2025-20728: In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local…

Source: https://junglewise.ai/threats/cve-2025-20728-in-wlan-sta-driver-there-is-a-possible-out-of-bounds-write-due-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-04  
License: CC BY 4.0 with a link back

CVE-2025-20728 · Severity: high · CVSS 7.8 · Published 2025-11-04

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.

Technologies: [MediaTek Mt7902](https://junglewise.ai/threats/technologies/mt7902), [MediaTek Mt7920](https://junglewise.ai/threats/technologies/mt7920), [MediaTek Mt7921](https://junglewise.ai/threats/technologies/mt7921), [MediaTek Mt7922](https://junglewise.ai/threats/technologies/mt7922), [MediaTek Mt7925](https://junglewise.ai/threats/technologies/mt7925), [MediaTek Mt7927](https://junglewise.ai/threats/technologies/mt7927), [MediaTek Software Development Kit](https://junglewise.ai/threats/technologies/software-development-kit). Vendors: [MediaTek](https://junglewise.ai/threats/vendors/mediatek).

## Quick answers

**Is CVE-2025-20728 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-20728 being exploited in the wild.

**How severe is CVE-2025-20728?** High severity, with a CVSS score of 7.8, published 4 November 2025.

**Which products and versions are affected?** MediaTek Mt7902, MediaTek Mt7920, MediaTek Mt7921, MediaTek Mt7922 and 3 more. The advisory does not name versions.

**Is there a fix for CVE-2025-20728?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-20728?** Check whether you run MediaTek Mt7902, MediaTek Mt7920, MediaTek Mt7921 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- MediaTek Mt7902
- MediaTek Mt7920
- MediaTek Mt7921
- MediaTek Mt7922
- MediaTek Mt7925
- MediaTek Mt7927
- MediaTek Software Development Kit

## Related threats

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- [MediaTek WLAN STA firmware denial of service via logging](https://junglewise.ai/threats/cve-2026-20482-mediatek-wlan-sta-firmware-denial-of-service-via-logging)
- [In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local…](https://junglewise.ai/threats/cve-2025-20748-in-wlan-ap-driver-there-is-a-possible-out-of-bounds-write-due-to)
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