aterm wf1200cr firmware vulnerabilities and fixes

Recent CVEs affecting aterm wf1200cr firmware, with upgrade or downgrade steps. 3 tracked.

Also searched as: atermwf1200crfirmware.

aterm wf1200cr firmware has 3 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-03-27. Highest priority: CVE-2026-4622 (score 54/100).

• CVE-2026-4621 MEDIUM 5.6 MITIGATE UPGRADE Hidden Functionality vulnerability in NEC Platforms, Ltd
• CVE-2026-4622 CRITICAL 9.8 UPGRADE UPGRADE OS Command Injection vulnerability in NEC Platforms, Ltd
• CVE-2026-4309 MEDIUM 6.5 UPGRADE UPGRADE Missing Authorization vulnerability in NEC Platforms, Ltd

FAQ

How do I fix aterm wf1200cr 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 aterm wf1200cr firmware being exploited right now?

None of the tracked aterm wf1200cr firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which aterm wf1200cr firmware CVE should I patch first?

CVE-2026-4622 currently ranks highest (54/100): OS Command Injection vulnerability in NEC Platforms, Ltd.

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