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Medium severity · published Aug 1, 2022
CVE-2022-26438
In wifi driver, there is a possible out of bounds write due to a missing bounds check
6.7
CVSS
0.3%
EPSS
No
On KEV
Description
In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420013; Issue ID: GN20220420013.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981 · MediaTek, Inc.
7.6.2.3 · source: vendor
MF
Mt7603 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7610 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7612 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7613 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7615 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7620 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7622 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7628 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7629 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7915 Firmware · Mediatek
7.6.2.3 · source: NVD
MF
Mt7916 Firmware · Mediatek
7.6.2.3 · source: NVD
Affected product
MM
MT7603, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915, MT7916, MT7986, MT8981
MediaTek, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-26438
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/August-2022
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In wifi driver, there is a possible out of bounds write due to a missing bounds check