CVE-2020-26141

MEDIUM

6.5

CVSS Score

Published: May 11, 2021 at 07:42 PM UTC

Updated: June 17, 2026 at 03:07 AM UTC

210 products affected across 3 vendorsIP Phone 8861 FirmwareIP Phone 8865 FirmwareMeraki MX68W Firmware

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Severity

MEDIUM6.5

Exploit prediction

EPSS 3%

Description

An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

AWUS036H Firmware · Alfa

95%

6.1316.1209

alfa-awus036h (same device)

IP Conference Phone 8832 Firmware · Cisco

95%

v < 14.1\(1\)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-conference-phone-8832 (same device)

IP Phone 6861 Firmware · Cisco

95%

v < 11.3\(5\)

Affected range stops below 11.3(5), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-6861 (same device)

IP Phone 8861 Firmware · Cisco

95%

v < 11.3\(5\)v < 14.1\(1\)

Affected range stops below 11.3(5), so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8861 (same device)

IP Phone 8865 Firmware · Cisco

95%

v < 14.1\(1\)

Affected range stops below 14.1(1), so it looks safe — our inference, not a vendor statement

cisco-ip-phone-8865 (same device)

Meraki GR10 Firmware · Cisco

95%

v < 27.7.1

Affected range stops below 27.7.1, so it looks safe — our inference, not a vendor statement

cisco-meraki-gr10 (same device)

Meraki GR60 Firmware · Cisco

95%

v < 27.7.1

Affected range stops below 27.7.1, so it looks safe — our inference, not a vendor statement

cisco-meraki-gr60 (same device)

Meraki MR12 Firmware · Cisco

95%

v < 26.8.3

Affected range stops below 26.8.3, so it looks safe — our inference, not a vendor statement

cisco-meraki-mr12 (same device)

Meraki MR18 Firmware · Cisco

95%

v < 26.8.3

Affected range stops below 26.8.3, so it looks safe — our inference, not a vendor statement

cisco-meraki-mr18 (same device)

Meraki MR20 Firmware · Cisco

95%

v < 27.7.1

Affected range stops below 27.7.1, so it looks safe — our inference, not a vendor statement

cisco-meraki-mr20 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu

References (8)

Mailing Listx_refsource_MLISTThird Party Advisory

Source: [email protected]

http://www.openwall.com/lists/oss-security/2021/05/11/12

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md

Vendor Advisoryx_refsource_CISCOThird Party Advisory

Source: [email protected]

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63

x_refsource_MISCThird Party Advisory

Source: [email protected]

https://www.fragattacks.com

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-019200.html

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-913875.html

CVSS

6.5MEDIUM[email protected]

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-354

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