CVE-2021-35055

Name: CVE-2021-35055
Creator: NVD / NIST
Published: 2021-12-26T00:15:09.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2021-35055 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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).. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Mediatek	Mt7603e Firmware	7.4.0.0
Mediatek	Mt7612 Firmware	7.4.0.0
Mediatek	Mt7613 Firmware	7.4.0.0
Mediatek	Mt7615 Firmware	7.4.0.0
Mediatek	Mt7622 Firmware	7.4.0.0
Mediatek	Mt7628 Firmware	7.4.0.0
Mediatek	Mt7629 Firmware	7.4.0.0
Mediatek	Mt7915 Firmware	7.4.0.0
Mediatek	Mt7620 Firmware	7.4.0.0
Mediatek	Mt7610 Firmware	7.4.0.0

References

https://corp.mediatek.com/product-security-bulletin/January-2022Vendor Advisory
https://kb.netgear.com/000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2021-0298-PSV-2021-0300Third Party Advisory
https://corp.mediatek.com/product-security-bulletin/January-2022Vendor Advisory
https://kb.netgear.com/000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2021-0298-PSV-2021-0300Third Party Advisory

Timeline

Published: Dec 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35055?

How severe is CVE-2021-35055?

CVE-2021-35055 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35055?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35055?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST