CVE-2021-41788

What it is

MediaTek microchips, as used in NETGEAR devices through 2021-12-13 and other devices, mishandle attempts at Wi-Fi authentication flooding. (Affected Chipsets MT7603E, MT7612, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 7.4.0.0).

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure.

Exploit odds

1.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-12-26 00:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:08 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.8% in the next 30 days (EPSS).
• Severity: 6.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-12-26 00:15 UTC

Last modified

2026-06-17 04:08 UTC

Exploit probability

1.8% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• 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

Attack profile CVSS 3.1 · 6.5

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Is it in your code?

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