An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH.
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 4 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.
Why it matters now
EPSS 0.04173 90th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:alfa:awus036h_firmware:1030.36.604:*:*:*:*:windows_10:*:* | 1030.36.604 | Vulnerable | Alfa |
| cpe:2.3:h:alfa:awus036h:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Alfa |
| cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Arista |
| cpe:2.3:h:arista:c-75:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Arista |
| cpe:2.3:h:arista:o-90:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Arista |
| cpe:2.3:h:arista:c-65:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Arista |
| cpe:2.3:h:arista:w-68:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
- cpe:2.3:o:alfa:awus036h_firmware:1030.36.604:*:*:*:*:windows_10:*:* Versions 1030.36.604 Vulnerable ·Alfa
- cpe:2.3:h:alfa:awus036h:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Alfa
- cpe:2.3:o:arista:c-75_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arista
- cpe:2.3:h:arista:c-75:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:o:arista:o-90_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arista
- cpe:2.3:h:arista:o-90:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:o:arista:c-65_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arista
- cpe:2.3:h:arista:c-65:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:o:arista:w-68_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Arista
- cpe:2.3:h:arista:w-68:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
Remediation
Red Hat 2 advisories
- RHSA-2021:4356 Released 2021-11-09 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-348.el8
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-348.el8, kernel-4.18.0-348.el8, kernel-abi-stablelists-4.18.0-348.el8 +19
- RHSA-2021:4140 Released 2021-11-09 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-348.rt7.130.el8, kernel-rt-core-4.18.0-348.rt7.130.el8, kernel-rt-debug-4.18.0-348.rt7.130.el8 +7
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-348.rt7.130.el8, kernel-rt-core-4.18.0-348.rt7.130.el8, kernel-rt-debug-4.18.0-348.rt7.130.el8 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:4356 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2021:4356 |
| Red Hat Enterprise Linux Real Time (v. 8) | Fixed | RHSA-2021:4140 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2021:4140 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26143
- 2026-10-03 Alias added: GHSA-c49c-jx24-458g
References
Advisory 6
- 20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021
- https://www.fragattacks.com
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
- [oss-security] 20210511 various 802.11 security issues - fragattacks.com
- https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
Sources
- CVE-2020-26143 · CVE Program
- CVE-2020-26143 · NVD
- FIRST EPSS
- GHSA-c49c-jx24-458g · GitHub Advisory Database · CC BY 4.0
- CVE-2020-26143 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences