dns-320 firmware vulnerabilities and fixes

Recent CVEs affecting dns-320 firmware, with upgrade or downgrade steps. 4 tracked.

Also searched as: dns 320 firmware, dns-320firmware.

dns-320 firmware has 4 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-11. Highest priority: CVE-2026-8271 (score 45/100).

• 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
• CVE-2026-8271 MEDIUM 4.7 MITIGATE A vulnerability was identified in D-Link DNS-320 2.06B01
• CVE-2026-8272 MEDIUM 4.7 MITIGATE A security flaw has been discovered in D-Link DNS-320 2.06B01
• CVE-2026-8273 MEDIUM 4.7 MITIGATE A weakness has been identified in D-Link DNS-320 2.06B01

FAQ

How do I fix dns-320 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-320 firmware being exploited right now?

None of the tracked dns-320 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which dns-320 firmware CVE should I patch first?

CVE-2026-8271 currently ranks highest (45/100): A vulnerability was identified in D-Link DNS-320 2.06B01.

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