Medium severity · published Jan 4, 2022
CVE-2021-41789
In wifi driver, there is a possible system crash due to a missing validation check
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
Mt7615 Firmware · Mediatek
4.4.1.1 · source: NVD
MF
Mt7622 Firmware · Mediatek
4.4.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-41789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-41789
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/January-2022
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