CVE-2020-26907

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-09 · updated 2026-06-17
Weakness: CWE-77

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, and RBS850 before 3.2.16.6.

Affected products

NETGEAR Rbk852 Firmware: before 3.2.16.6 — fixed in 3.2.16.6
NETGEAR Rbr850 Firmware: before 3.2.16.6 — fixed in 3.2.16.6
NETGEAR Rbs850 Firmware: before 3.2.16.6 — fixed in 3.2.16.6

How to fix

Upgrade to a fixed version: NETGEAR Rbk852 Firmware 3.2.16.6; NETGEAR Rbr850 Firmware 3.2.16.6; NETGEAR Rbs850 Firmware 3.2.16.6. Check the vendor advisory for mitigations.

References

https://kb.netgear.com/000062347/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0264
https://kb.netgear.com/000062347/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0264

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