wcd9340 firmware vulnerabilities and fixes

Recent CVEs affecting wcd9340 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: wcd9340firmware.

wcd9340 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-04-06. Highest priority: CVE-2026-21371 (score 27/100).

• CVE-2026-21371 HIGH 7.8 MITIGATE MITIGATE Memory Corruption when retrieving output buffer with insufficient size validation.

FAQ

How do I fix wcd9340 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 wcd9340 firmware being exploited right now?

None of the tracked wcd9340 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which wcd9340 firmware CVE should I patch first?

CVE-2026-21371 currently ranks highest (27/100): Memory Corruption when retrieving output buffer with insufficient size validation..

← Back to latest CVEs