MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols.

published 2021-12-25 4y ago modified 2026-06-17 4mo ago also EUVD-2021-24126

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 2.0.2; Out-of-bounds read).

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Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AC:L/AV:N/A:L/C:H/I:N/PR:N/S:U/UI:N
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-125 Out-of-bounds Read

References

corp.mediatek.com /product-security-bulletin/January-2022
vendor-advisory
kb.netgear.com /000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2021-0298-PSV
third-party-advisory

Sources

CVE List CVE-2021-37565
NVD CVE-2021-37565

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