nr1800x firmware vulnerabilities and fixes

Recent CVEs affecting nr1800x firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: nr1800xfirmware.

nr1800x firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-03-29. Highest priority: CVE-2026-5030 (score 48/100).

• CVE-2026-5030 MEDIUM 6.3 MITIGATE A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910

FAQ

How do I fix nr1800x 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 nr1800x firmware being exploited right now?

None of the tracked nr1800x firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which nr1800x firmware CVE should I patch first?

CVE-2026-5030 currently ranks highest (48/100): A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910.

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