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CVE-2026-11814: CWE-295 Improper certificate validation in NETGEAR BE9300

0
Medium
VulnerabilityCVE-2026-11814cvecve-2026-11814cwe-295
Published: 08/11/2026 (08/11/2026, 15:06:08 UTC)
Source: CVE Database V5
Vendor/Project: NETGEAR
Product: BE9300

Description

CVE-2026-11814 is a medium severity vulnerability affecting the NETGEAR BE9300 device. It involves improper certificate validation (CWE-295) that enables a network-adjacent attacker capable of intercepting and modifying local network traffic to perform command injection. This vulnerability compromises the confidentiality and integrity of the affected device. The issue is limited to certain region-specific SKUs. No patch or official remediation guidance is currently available.

CVSS v4.0

Score 4.9medium

Attack Vector
Adjacent Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 15:47:46 UTC

Technical Analysis

This vulnerability in NETGEAR BE9300 devices arises from improper certificate validation, classified under CWE-295. It allows a network-adjacent attacker with man-in-the-middle capabilities to inject commands by intercepting and modifying local network traffic. The flaw affects specific region-restricted SKUs of the BE9300 model. The CVSS 4.0 base score is 4.9, indicating medium severity, with attack vector local network (AV:A), high attack complexity (AC:H), and partial impact on confidentiality and integrity. No known exploits are reported in the wild, and no vendor remediation or patch has been disclosed as of the publication date.

Potential Impact

An attacker positioned on the local network who can intercept and alter traffic may exploit this vulnerability to execute commands on the affected device, leading to compromise of confidentiality and integrity. The impact is limited to certain region-specific SKUs of the NETGEAR BE9300. There is no indication of availability impact or privilege escalation. No known active exploitation has been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, network administrators should limit exposure of affected devices to untrusted local networks and monitor for suspicious network activity consistent with man-in-the-middle attacks. No official remediation or temporary fix is currently documented.

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Technical Details

Data Version
5.2
Assigner Short Name
NETGEAR
Date Reserved
2026-06-09T15:57:56.506Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7b3f3abf8831d539f2adda

Added to database: 08/11/2026, 15:26:50 UTC

Last enriched: 08/11/2026, 15:47:46 UTC

Last updated: 08/11/2026, 15:47:46 UTC

Views: 3

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