qcn5021 firmware vulnerabilities and fixes

Recent CVEs affecting qcn5021 firmware, with upgrade or downgrade steps. 2 tracked.

Also searched as: qcn5021firmware.

qcn5021 firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-08-06. Highest priority: CVE-2025-27066 (score 37/100).

• CVE-2025-27066 HIGH 7.5 MITIGATE MITIGATE Transient DOS while processing an ANQP message.
• CVE-2025-21464 MEDIUM 6.5 MITIGATE MITIGATE Information disclosure while reading data from an image using specified offset and size parameters.

FAQ

How do I fix qcn5021 firmware vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is qcn5021 firmware being exploited right now?

None of the tracked qcn5021 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which qcn5021 firmware CVE should I patch first?

CVE-2025-27066 currently ranks highest (37/100): Transient DOS while processing an ANQP message..

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