← Vulnerability feed

Vulnerability record · CVE-2022-26437 · published 1 August 2022

CVE-2022-26437: Mediatek nbiot sdk use of uninitialized resource vulnerability

Mediatek · Nbiot Sdk

In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WSAP00103831; Issue ID: WSAP00103831.

9.8 CVSS 3.1 Critical EPSS 1.4% · top 28.4% CWE-908 · Use of uninitialized resource
9.8CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WSAP00103831; Issue ID: WSAP00103831.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://corp.mediatek.com/product-security-bulletin/August-2022 Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/August-2022 Vendor Advisory

Track CVE-2022-26437 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-20680Mediatek nbiot sdk heap-based buffer overflow vulnerabilityIn Bluetooth driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with …EPSS 0.68%9.3CVE-2026-20407Mediatek nbiot sdk out-of-bounds write vulnerabilityIn wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with …EPSS 0.17%7.8CVE-2026-20423Mediatek nbiot sdk out-of-bounds write vulnerabilityIn 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…EPSS 0.12%6.7CVE-2026-20436Mediatek nbiot sdk classic buffer overflow vulnerabilityIn wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a …EPSS 0.12%6.5CVE-2026-20419Mediatek nbiot sdk vulnerabilityIn wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent)…EPSS 0.73%5.5CVE-2025-20687Mediatek nbiot sdk out-of-bounds read vulnerabilityIn Bluetooth driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local denial of service with User ex…EPSS 0.15%5.5CVE-2025-20677Mediatek nbiot sdk null pointer dereference vulnerabilityIn Bluetooth driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution pr…EPSS 0.16%5.5CVE-2025-20676Mediatek nbiot sdk null pointer dereference vulnerabilityIn wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution pri…EPSS 0.15%

Source: NIST National Vulnerability Database (record CVE-2022-26437), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.