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Medium severity · published May 11, 2021
CVE-2020-26140
An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H
6.5
CVSS
2.9%
EPSS
No
On KEV
Description
An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
1F
1100 Firmware · Cisco
All versions, or not specified · source: NVD
1F
1100-4p Firmware · Cisco
All versions, or not specified · source: NVD
1F
1100-8p Firmware · Cisco
All versions, or not specified · source: NVD
1F
1101-4p Firmware · Cisco
All versions, or not specified · source: NVD
1F
1109-2p Firmware · Cisco
All versions, or not specified · source: NVD
1F
1109-4p Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1532 Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1542d Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1542i Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1552 Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1552h Firmware · Cisco
All versions, or not specified · source: NVD
A1
Aironet 1560 Firmware · Cisco
All versions, or not specified · source: NVD
Affected product
AF
Awus036h Firmware
Alfa
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26140
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26140
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/11/12
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
Third Party Advisory
https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
Third Party Advisory
https://www.fragattacks.com
More from Awus036h Firmware
6.5
CVE-2020-26143
An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH
6.5
CVE-2020-26141
An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H