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Vulnerability record · CVE-2021-37563 · published 26 December 2021

CVE-2021-37563: Mediatek mt7603e firmware out-of-bounds write vulnerability

Mediatek · Mt7603e Firmware

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected Chipsets MT7603E, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 7.4.0.0; Out-of-bounds write).

8.8 CVSS 3.1 High EPSS 1.2% · top 33.1% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 9.3
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected Chipsets MT7603E, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 7.4.0.0; Out-of-bounds write).

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

Affected products

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

References

LinkTags
https://corp.mediatek.com/product-security-bulletin/January-2022 Vendor Advisory
https://kb.netgear.com/000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2 Third Party Advisory
https://corp.mediatek.com/product-security-bulletin/January-2022 Vendor Advisory
https://kb.netgear.com/000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2 Third Party Advisory

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Related vulnerabilities

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

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%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-2021-37561Mediatek 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-2021-37566Mediatek 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 1.3%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-2021-37569Mediatek 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-2021-37571Mediatek 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%

Source: NIST National Vulnerability Database (record CVE-2021-37563), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.