CVE-2026-20436
Bounds Check Missing in WLAN STA Driver Enables Privilege Escalation
Publication date: 2026-03-02
Last updated on: 2026-03-03
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mediatek | nbiot_sdk | to 3.8 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the wlan STA driver where a missing bounds check can lead to a possible escalation of privilege.
Specifically, if a malicious actor already has System privilege, they could exploit this flaw to escalate their privileges further.
No user interaction is required to exploit this vulnerability.
How can this vulnerability impact me? :
The impact of this vulnerability is a local escalation of privilege.
If an attacker already has System privilege on the affected system, they could exploit this vulnerability to gain higher privileges or perform unauthorized actions.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know