CVE-2026-27847
Missing authentication in Linksys MR9600, Linksys MX4200
- State
- Published
- Severity
- 9.8 Critical
- Published
- Feb 25, 2026
- Updated
- Feb 26, 2026
- Reserved
- Feb 24, 2026
Description
Due to improper neutralization of special elements, SQL statements can be injected via the handshake of a TLS-SRP connection. This can be used to inject known credentials into the database that can be utilized to successfully complete the handshake and use the protected service. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Affected Products
| Product | Versions |
|---|---|
MR9600Linksys |
|
MX4200Linksys |
|
References
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-009.txtthird-party-advisorytechnical-description
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