What is the CVSS score of CVE-2021-32468?

CVE-2021-32468 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.2%.

Mt7603E Firmware CVE-2021-32468

HIGH

Out-of-bounds Read (CWE-125)

2021-12-26 cve@mitre.org

Buffer Overflow Mediatek Netgear Information Disclosure Mt7603E Firmware Mt7612 Firmware Mt7613 Firmware Mt7615 Firmware Mt7622 Firmware Mt7628 Firmware Mt7629 Firmware Mt7915 Firmware Mt7620 Firmware Mt7610 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 26, 2021 - 00:15 nvd

HIGH 7.5

DescriptionNVD

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 read).

AnalysisAI

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. 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 read). Affected products include: Mediatek Mt7603E Firmware, Mediatek Mt7612 Firmware, Mediatek Mt7613 Firmware, Mediatek Mt7615 Firmware, Mediatek Mt7622 Firmware. Version information: through 2021.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.