CVE-2026-27850 — Improper verification in Linksys MR9600, Linksys MX4200
Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only acc…
Published: 2026-02-25 · CVSS: 7.5 · CVSS 3.1
Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7