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.
This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
Metrics
Affected Vendors & Products
No data.
No data.
No data.
No data.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 25 Feb 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Wed, 25 Feb 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Improper verification in Linksys MR9600, Linksys MX4200 | |
| References |
|
Projects
Sign in to view the affected projects.
MITRE
Status: PUBLISHED
Assigner: ENISA
Published:
Updated: 2026-02-25T19:11:29.416Z
Reserved: 2026-02-24T07:07:48.974Z
Link: CVE-2026-27850
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-02-25T18:23:41.350
Modified: 2026-02-25T20:23:48.737
Link: CVE-2026-27850
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.