CVE-2026-27847

CRITICAL
2026-02-25 a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 25, 2026 - 16:23 nvd
CRITICAL 9.8

Tags

SQLi

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.

Analysis

SQL injection via TLS-SRP handshake. Attacker can inject SQL through the SRP username field during TLS handshake, compromising any application using TLS-SRP authentication.

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Remediation

Within 24 hours: Identify all systems using TLS-SRP authentication and assess exposure; isolate or disable TLS-SRP services if business operations permit. Within 7 days: Implement network segmentation to restrict TLS-SRP endpoint access, enforce strict input validation at application layer, and deploy enhanced monitoring for suspicious authentication attempts. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

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CVE-2026-27847 vulnerability details – vuln.today
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