PatchTheCVErbr850 firmware vulnerabilities and fixes
Recent CVEs affecting rbr850 firmware, with upgrade or downgrade steps. 2 tracked.
Also searched as: rbr850firmware.
rbr850 firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-01-13. Highest priority: CVE-2026-0404 (score 44/100).
- CVE-2026-0404 HIGH 8.0 UPGRADE UPGRADE An insufficient input validation vulnerability in NETGEAR Orbi devices' DHCPv6 functionality allows network a
- CVE-2026-0403 HIGH 8.0 UPGRADE UPGRADE An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the rout
FAQ
How do I fix rbr850 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 rbr850 firmware being exploited right now?
None of the tracked rbr850 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which rbr850 firmware CVE should I patch first?
CVE-2026-0404 currently ranks highest (44/100): An insufficient input validation vulnerability in NETGEAR Orbi devices' DHCPv6 functionality allows network a.