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Vulnerability record · CVE-2022-26445 · published 1 August 2022

CVE-2022-26445: Mediatek mt7603 firmware out-of-bounds write vulnerability

Mediatek · Mt7603 Firmware

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420088; Issue ID: GN20220420088.

6.7 CVSS 3.1 Medium EPSS 0.26% · top 83.9% CWE-787 · Out-of-bounds write
6.7CVSS 3.1 base score
0.26%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420088; Issue ID: GN20220420088.

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

Affected products

13 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

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Related vulnerabilities

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

8.8CVE-2021-37569Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.2%8.8CVE-2021-37560Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37584Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37563Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37561Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37568Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.2%8.8CVE-2021-37583Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.4%8.8CVE-2021-35055Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2022-26445), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.