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Vulnerability record · CVE-2026-11739 · published 11 August 2026

CVE-2026-11739: Netgear ms90 firmware os command injection vulnerability

Netgear · Ms90 Firmware

A command injection vulnerability in certain affected NETGEAR Nighthawk devices 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.

4.9 CVSS 4.0 Medium EPSS 1.1% · top 36.4% CWE-78 · OS command injection
4.9CVSS 4.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
27Affected product versions listed by NVD
26References
9 Sep 2026Last modified by NVD

Description

A command injection vulnerability in certain affected NETGEAR Nighthawk devices 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.

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

27 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/mr60/ Product
https://www.netgear.com/support/product/mr70/ Product
https://www.netgear.com/support/product/mr90/ Product
https://www.netgear.com/support/product/ms60/ Product
https://www.netgear.com/support/product/ms70/ Product
https://www.netgear.com/support/product/ms90/ Product
https://www.netgear.com/support/product/rax20/ Product
https://www.netgear.com/support/product/rax200/ Product
https://www.netgear.com/support/product/rax35/ Product
https://www.netgear.com/support/product/rax35v2/ Product
https://www.netgear.com/support/product/rax41/ Product
https://www.netgear.com/support/product/rax41v2/ Product
https://www.netgear.com/support/product/rax42/ Product
https://www.netgear.com/support/product/rax42v2/ Product
https://www.netgear.com/support/product/rax43/ Product
https://www.netgear.com/support/product/rax43v2/ Product
https://www.netgear.com/support/product/rax45/ Product
https://www.netgear.com/support/product/rax49s/ Product
https://www.netgear.com/support/product/rax50/ Product
https://www.netgear.com/support/product/rax50v2/ Product
https://www.netgear.com/support/product/rax80/ Product
https://www.netgear.com/support/product/raxe500/ Product
https://www.netgear.com/support/product/rs700/ Product
https://www.netgear.com/support/product/xr1000/ Product
https://www.netgear.com/support/product/xr1000v2/ Product

Track CVE-2026-11739 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-2021-45616Netgear 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-2021-45613Netgear 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-2021-45621Netgear 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 3.2.18.2,…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-2021-45614Netgear 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-2021-45622Netgear 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 2.4%

Source: NIST National Vulnerability Database (record CVE-2026-11739), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.