Cyber Resilience

CVE-2021-37563

High

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS Score 0.0055 68.4th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37563 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Mediatek Mt7603E Firmware. Its CVSS base score is 8.2 (High).

Operationally, ranked in the top 31.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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
mt7610 firmware
7.4.0.0
mediatek
mt7620 firmware
7.4.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References