CVE-2026-89142 Airoha Technology Corp. CVE debrief

Who should care

Defenders and administrators of Wi-Fi NPU FW systems should verify and apply patches according to vendor instructions. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Additionally, they should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compensating controls for exposed

Why it matters

CVE-2026-89142 is a possible out-of-bounds write in the Wi-Fi NPU FW that could lead to local denial of service. Defenders and administrators of Wi-Fi NPU FW systems should verify and apply patches according to vendor instructions.

• Local denial of service with user execution privileges needed
• Verify and apply patches for Wi-Fi NPU FW according to vendor instructions
• Restrict user execution privileges as needed

Technical summary

A possible out-of-bounds write in the Wi-Fi NPU FW could lead to local denial of service with user execution privileges needed. This vulnerability affects Wi-Fi NPU FW systems. To address this vulnerability, defenders should focus on verifying and applying patches according to vendor instructions. The technical impact of this vulnerability involves potential disruptions to Wi-Fi NPU FW services, emphasizing the need for prompt patching and vulnerability management.

Defensive priority

Verify and apply patches for Wi-Fi NPU FW according to vendor instructions.

Recommended defensive actions

• Verify Wi-Fi NPU FW versions and apply patches according to vendor instructions
• Monitor system logs for denial of service attempts
• Restrict user execution privileges as needed

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, the vendor and affected products are not clearly identified. Further verification is needed to confirm affected product deployments and to assign an owner for follow-up. The official CVE Program record and NVD detail page offer source-provided CVE metadata and source-specific vulnerability assessment.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.