Security readout for executives and security teams
CVE-2020-26142 is a Wi-Fi frame-handling flaw reported in the OpenBSD 6.6 kernel. A nearby attacker could abuse fragmented wireless frames so they are treated as complete frames, enabling arbitrary network packet injection regardless of WEP, WPA, WPA2, or WPA3 configuration. Exposure is most likely on OpenBSD 6.6 systems using wireless networking. Practical risk depends on radio proximity, Wi-Fi use, driver support, and whether vendor updates or mitigations have been applied. Treat this as a targeted wireless exposure issue, not an internet-wide emergency. Prioritize remediation where OpenBSD 6.6 devices use Wi-Fi in sensitive environments or shared physical spaces. Mitigation focus: Inventory OpenBSD 6.6 systems with active Wi-Fi interfaces.; Check OpenBSD and hardware vendor guidance for the applicable fix.; Apply vendor-provided kernel or wireless stack updates when identified..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2020-26142 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 20210511 Multiple Vulnerabilities in Frame Aggregation and Fragmentation Implementations of 802.11 Specification Affecting Cisco Products: May 2021CVE reference · vendor-advisory, x_refsource_CISCO
- https://www.fragattacks.com/CVE reference · x_refsource_MISC
- https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.mdCVE reference · x_refsource_MISC
- https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.