CVE-2026-20423
7.8 · HIGHOverview
CVE-2026-20423 is a high-severity vulnerability affecting mediatek nbiot_sdk. It was published on March 2, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.
Remediation
Check the references section for vendor advisories and patches from mediatek. Update nbiot_sdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mediatek | nbiot_sdk | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-20423?
CVE-2026-20423 is a high-severity vulnerability affecting mediatek nbiot_sdk. It was published on March 2, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-20423?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-20423?
Check the references section for vendor advisories and patches from mediatek. Update nbiot_sdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-20423?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-20423 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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