Medium severity · published Aug 3, 2026
CVE-2026-20482
In wlan STA FW, there is a possible system becoming unresponsive due to logging
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
In wlan STA FW, there is a possible system becoming unresponsive due to logging. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00486814; Issue ID: MSV-6824.
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)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT7902; MT7921; MT7922; MT8518S; MT8532 · source: vendor
MF
Mt7902 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7921 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt7922 Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8518s Firmware · Mediatek
All versions, or not specified · source: NVD
MF
Mt8532 Firmware · Mediatek
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20482
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20482
Vendor Advisory
https://www.mediatek.com/product-security-bulletin/August-2026
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