CVE-2026-27850
Improper verification in Linksys MR9600, Linksys MX4200
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linksys |
| Product | mr9600 |
| Published | Feb 25, 2026 |
| Last Updated | Feb 25, 2026 |
Stay Ahead of the Next One
Get instant alerts for linksys mr9600
Be the first to know when new high vulnerabilities affecting linksys mr9600 are published โ delivered to Slack, Telegram or Discord.
Get Free Alerts โ
Free ยท No credit card ยท 60 sec setup
Affected Versions
Linksys / MR9600
1.0.4.205530
Linksys / MX4200
1.0.13.210200