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Vulnerability record · CVE-2026-11814 · published 11 August 2026

CVE-2026-11814: Netgear be9300 firmware improper certificate validation vulnerability

Netgear · Be9300 Firmware

A command injection vulnerability in the listed NETGEAR models allows a network-adjacent attacker with the ability to intercept and modify local network traffic (attacker-in-the-middle) to compromise the confidentiality and integrity of the affected device. This issue is limited to certain region-specific SKUs.

4.9 CVSS 4.0 Medium EPSS 0.91% · top 41.5% CWE-295 · Improper certificate validationCWE-77 · Command injection
4.9CVSS 4.0 base score
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
26Affected product versions listed by NVD
27References
9 Sep 2026Last modified by NVD

Description

A command injection vulnerability in the listed NETGEAR models allows a network-adjacent attacker with the ability to intercept and modify local network traffic (attacker-in-the-middle) to compromise the confidentiality and integrity of the affected device. This issue is limited to certain region-specific SKUs.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:

Affected products

26 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory Vendor Advisory
https://www.netgear.com/support/product/be9300/ Product
https://www.netgear.com/support/product/mr60/ Product
https://www.netgear.com/support/product/ms60/ Product
https://www.netgear.com/support/product/r6700ax/ Product
https://www.netgear.com/support/product/rax10/ Product
https://www.netgear.com/support/product/rax120/ Product
https://www.netgear.com/support/product/rax120v2/ Product
https://www.netgear.com/support/product/rax20/ Product
https://www.netgear.com/support/product/rax28/ Product
https://www.netgear.com/support/product/rax29/ Product
https://www.netgear.com/support/product/rax30/ Product
https://www.netgear.com/support/product/rax36s/ Product
https://www.netgear.com/support/product/rax43/ Product
https://www.netgear.com/support/product/rax45/ Product
https://www.netgear.com/support/product/rax50/ Product
https://www.netgear.com/support/product/rax70/ Product
https://www.netgear.com/support/product/rbr760/ Product
https://www.netgear.com/support/product/rbs760/ Product
https://www.netgear.com/support/product/rs100/ Product
https://www.netgear.com/support/product/rs200/ Product
https://www.netgear.com/support/product/rs280/ Product
https://www.netgear.com/support/product/rs300/ Product
https://www.netgear.com/support/product/rs500/ Product
https://www.netgear.com/support/product/rs600/ Product
https://www.netgear.com/support/product/rs70/ Product
https://www.netgear.com/support/product/rs90/ Product

Track CVE-2026-11814 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-36187Netgear cbr40 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via craf…EPSS 1.1%9.8CVE-2022-48322Netgear mr60 firmware out-of-bounds write vulnerabilityNETGEAR Nighthawk WiFi Mesh systems and routers are affected by a stack-based buffer overflow vulnerability. This affects MR60 before 1.1.7.132, MS60…EPSS 0.68%9.8CVE-2021-45612Netgear cbr40 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, …EPSS 2.5%9.8CVE-2021-45613Netgear cbr40 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, …EPSS 2.0%9.8CVE-2021-45614Netgear d7000v2 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7000v2 before 1.0.0.74, LAX20 before 1.1.6.28…EPSS 2.0%9.8CVE-2021-45616Netgear cbr750 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 3.2.18.2, LAX20 before 1.1.6.28,…EPSS 2.0%9.8CVE-2021-45617Netgear cbr40 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, EAX20 before 1.0.0.48, …EPSS 2.1%9.8CVE-2021-45620Netgear cbr40 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, …EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2026-11814), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.