SQL Injection Vulnerability in MR9600 and MX4200 Products by Vendor
CVE-2026-27847

9.8CRITICAL

Key Information:

Vendor

Linksys
Status
Mr9600
Mx4200
Vendor
CVE Published:
25 February 2026

What is CVE-2026-27847?

A vulnerability has been identified in MR9600 and MX4200 products that allows an attacker to exploit improper neutralization of special elements in SQL statements. This can occur during the handshake of a TLS-SRP connection, potentially allowing the injection of malicious SQL commands. Attackers can exploit this vulnerability to introduce known credentials into the database, which may enable unauthorized access to the protected service.

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Affected Version(s)

MR9600 1.0.4.205530

MX4200 1.0.13.210200

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Adv...
third-party-advisorytechnical-description

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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