What is the CVSS score of CVE-2026-27846?

CVE-2026-27846 has a CVSS 3.1 base score of 6.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-27846?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Audit authentication configurations.

CVE-2026-27846

MEDIUM

Missing Authentication for Critical Function (CWE-306)

2026-02-25 a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

Authentication Bypass

6.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.2 MEDIUM

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 25, 2026 - 16:23 nvd

MEDIUM 6.2

DescriptionCVE.org

Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network to gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

AnalysisAI

Missing authentication in the mesh network functionality of Netgear MR9600 (1.0.4.205530) and MX4200 (1.0.13.210200) allows an attacker with physical device access to add unauthorized mesh devices and extract sensitive credentials including admin passwords and Wi-Fi keys. The vulnerability requires no user interaction and affects the confidentiality of authentication materials stored on the device. No patch is currently available for this issue.

Technical ContextAI

Classified as CWE-306 (Missing Authentication for Critical Function). Due to missing authentication, a user with physical access to the device can misuse the mesh functionality for adding a new mesh device to the network to gain access to sensitive information, including the password for admin access to the web interface and the Wi-Fi passwords.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.