PatchTheCVEdns-321 firmware vulnerabilities and fixes
Recent CVEs affecting dns-321 firmware, with upgrade or downgrade steps. 1 tracked.
Also searched as: dns 321 firmware, dns-321firmware.
dns-321 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-01. Highest priority: CVE-2026-5312 (score 40/100).
- CVE-2026-5312 MEDIUM 5.3 UPGRADE UPGRADE A weakness has been identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, D
FAQ
How do I fix dns-321 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 dns-321 firmware being exploited right now?
None of the tracked dns-321 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which dns-321 firmware CVE should I patch first?
CVE-2026-5312 currently ranks highest (40/100): A weakness has been identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, D.