CVE-2021-41788 : MediaTek microchips, as used in NETGEAR devices through 2021-12-13 and other dev

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).

Published 2021-12-26 00:15:10

Updated 2022-01-06 15:41:30

Source MITRE

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2021-41788

Mediatek » Mt7603e Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7603e_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7603e » Version: N/A
Mediatek » Mt7612 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7612_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7612 » Version: N/A
Mediatek » Mt7613 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7613_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7613 » Version: N/A
Mediatek » Mt7615 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7615_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7615 » Version: N/A
Mediatek » Mt7622 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7622_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7622 » Version: N/A
Mediatek » Mt7628 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7628_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7628 » Version: N/A
Mediatek » Mt7629 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7629_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7629 » Version: N/A
Mediatek » Mt7915 Firmware » Version: 7.4.0.0
cpe:2.3:o:mediatek:mt7915_firmware:7.4.0.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt7915 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-41788

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-41788

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
6.5	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L	2.2	4.2	MITRE
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: Low
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-41788

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-41788

https://corp.mediatek.com/product-security-bulletin/January-2022

January 2022
Vendor Advisory

CVEs referencing this url
https://kb.netgear.com/000064369/Security-Advisory-for-WiFi-Authentication-Flooding-Vulnerabilities-on-Multiple-Products-PSV-2021-0299-PSV-2021-0301

Security Advisory for WiFi Authentication Flooding Vulnerabilities on Multiple Products, PSV-2021-0299 & PSV-2021-0301 | Answer | NETGEAR Support
Third Party Advisory

Jump to

Vulnerability Details : CVE-2021-41788

Products affected by CVE-2021-41788

Exploit prediction scoring system (EPSS) score for CVE-2021-41788

CVSS scores for CVE-2021-41788

CWE ids for CVE-2021-41788

References for CVE-2021-41788