Vulnerability in Linksys Mr9600
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…
EPSS: 0.000 (14.6th percentile) — read the EPSS interpretation.
Affected products
- Linksys Mr9600 — versions 1.0.4.205530
- Linksys Mx4200 — versions 1.0.13.210200
References
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-014.txt (third-party-advisory, technical-description)