Disclosure summary
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.
Source-reported weakness categories
CWE-327
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2020-26140
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| alfa | awus036h_firmware | 6.1316.1209 |
| siemens | scalance_w1748-1_firmware | - |
| siemens | scalance_w1750d_firmware | - |
| siemens | scalance_w1788-1_firmware | - |
| siemens | scalance_w1788-2_firmware | - |
| siemens | scalance_w1788-2_firmware | - |
| siemens | scalance_w1788-2ia_firmware | - |
| siemens | scalance_w721-1_firmware | - |
| siemens | scalance_w722-1_firmware | - |
| siemens | scalance_w734-1_firmware | - |
| siemens | scalance_w738-1_firmware | - |
| siemens | scalance_w748-1_firmware | - |
| siemens | scalance_w748-1_firmware | - |
| siemens | scalance_w761-1_firmware | - |
| siemens | scalance_w774-1_firmware | - |
| siemens | scalance_w774-1_firmware | - |
| siemens | scalance_w778-1_firmware | - |
| siemens | scalance_w778-1_firmware | - |
| siemens | scalance_w786-1_firmware | - |
| siemens | scalance_w786-2_firmware | - |
| siemens | scalance_w786-2_firmware | - |
| siemens | scalance_w786-2ia_firmware | - |
| siemens | scalance_w788-1_firmware | - |
| siemens | scalance_w788-1_firmware | - |
| siemens | scalance_w788-2_firmware | - |
| siemens | scalance_w788-2_firmware | - |
| siemens | scalance_w788-2_firmware | - |
| siemens | scalance_wam763-1_firmware | - |
| siemens | scalance_wam766-1_firmware | - |
| siemens | scalance_wam766-1_firmware | - |
| siemens | scalance_wam766-1_6ghz_firmware | - |
| siemens | scalance_wam766-1_6ghz_firmware | - |
| siemens | scalance_wum763-1_firmware | - |
| siemens | scalance_wum766-1_firmware | - |
| siemens | scalance_wum766-1_6ghz_firmware | - |
| arista | c-100_firmware | - |
| arista | c-110_firmware | - |
| arista | c-120_firmware | - |
| arista | c-130_firmware | - |
| arista | c-200_firmware | - |
| arista | c-230_firmware | - |
| arista | c-235_firmware | - |
| arista | c-250_firmware | - |
| arista | c-260_firmware | - |
| arista | c-65_firmware | - |
| arista | c-75_firmware | - |
| arista | o-105_firmware | - |
| arista | o-90_firmware | - |
| arista | w-118_firmware | - |
| arista | w-68_firmware | - |
| cisco | 1100_firmware | - |
| cisco | 1100-4p_firmware | - |
| cisco | 1100-8p_firmware | - |
| cisco | 1101-4p_firmware | - |
| cisco | 1109-2p_firmware | - |
| cisco | 1109-4p_firmware | - |
| cisco | aironet_1532_firmware | - |
| cisco | aironet_1542d_firmware | - |
| cisco | aironet_1542i_firmware | - |
| cisco | aironet_1552_firmware | - |
| cisco | aironet_1552h_firmware | - |
| cisco | aironet_1560_firmware | - |
| cisco | aironet_1562d_firmware | - |
| cisco | aironet_1562e_firmware | - |
| cisco | aironet_1562i_firmware | - |
| cisco | aironet_1572_firmware | - |
| cisco | aironet_1702_firmware | - |
| cisco | aironet_1800_firmware | - |
| cisco | aironet_1800i_firmware | - |
| cisco | aironet_1810_firmware | - |
| cisco | aironet_1810w_firmware | - |
| cisco | aironet_1815_firmware | - |
| cisco | aironet_1815i_firmware | - |
| cisco | aironet_1832_firmware | - |
| cisco | aironet_1842_firmware | - |
| cisco | aironet_1852_firmware | - |
| cisco | aironet_2702_firmware | - |
| cisco | aironet_2800_firmware | - |
| cisco | aironet_2800e_firmware | - |
| cisco | aironet_2800i_firmware | - |
| cisco | aironet_3702_firmware | - |
| cisco | aironet_3800_firmware | - |
| cisco | aironet_3800e_firmware | - |
| cisco | aironet_3800i_firmware | - |
| cisco | aironet_3800p_firmware | - |
| cisco | aironet_4800_firmware | - |
| cisco | aironet_ap803_firmware | - |
| cisco | aironet_iw3702_firmware | - |
| cisco | catalyst_9105_firmware | - |
| cisco | catalyst_9105axi_firmware | - |
| cisco | catalyst_9105axw_firmware | - |
| cisco | catalyst_9115_firmware | - |
| cisco | catalyst_9115_ap_firmware | - |
| cisco | catalyst_9115axe_firmware | - |
| cisco | catalyst_9115axi_firmware | - |
| cisco | catalyst_9117_firmware | - |
| cisco | catalyst_9117_ap_firmware | - |
| cisco | catalyst_9117axi_firmware | - |
| cisco | catalyst_9120_firmware | - |
| cisco | catalyst_9120_ap_firmware | - |
Showing 100 associations; open the original for the complete set.
Original records & references
- NIST NVD record
- CVE Program record
- cert-portal.siemens.com — Third Party Advisory
- github.com — Third Party Advisory
- tools.cisco.com — Third Party Advisory
- www.arista.com — Third Party Advisory
- www.fragattacks.com — Third Party Advisory
- cert-portal.siemens.com — Third Party Advisory
- github.com — Third Party Advisory
- tools.cisco.com — Third Party Advisory
- www.arista.com — Third Party Advisory
- www.fragattacks.com — Third Party Advisory
- cert-portal.siemens.com
- cert-portal.siemens.com
PUBLISHED 2021-05-11T16:15:08-04:00
MODIFIED 2026-10-08T18:16:58-04:00
INGESTED 2026-10-10T20:50:20-04:00