CVE-2026-27850

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...

EUVD-2026-8698

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...

CVE-2026-27850

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...

CVE-2026-27850

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...

CVE-2026-27850

The CVE-2026-27850 issue is a misconfigured firewall rule on Linksys MR9600 and MX4200 routers that causes the WAN port to accept connections from source port 5222, exposing services normally restricted to the LAN. Affected versions are MR9600 1.0.4.205530 and MX4200 1.0.13.210200. The exposure c...

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 accessible through the local network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200...

PT-2026-21968

Name of the Vulnerable Software and Affected Versions MR9600 versions 1.0.4.205530 MX4200 versions 1.0.13.210200 Description An improperly configured firewall rule allows connections on the WAN port using source port 5222. This exposes services normally accessible only through the local network...