CVE-2020-26918

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% 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-79

Description

Certain NETGEAR devices are affected by stored XSS. This affects EX7000 before 1.0.1.78, R6250 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700v3 before 1.0.2.66, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7900 before 1.0.3.8, R8300 before 1.0.2.128, and R8500 before 1.0.2.128.

Affected products

NETGEAR Ex7000 Firmware: before 1.0.1.78 — fixed in 1.0.1.78
NETGEAR R6250 Firmware: before 1.0.4.34 — fixed in 1.0.4.34
NETGEAR R6400 Firmware: before 1.0.1.46 — fixed in 1.0.1.46
NETGEAR R6400V2 Firmware: before 1.0.2.66 — fixed in 1.0.2.66
NETGEAR R6700V3 Firmware: before 1.0.2.66 — fixed in 1.0.2.66
NETGEAR R7100Lg Firmware: before 1.0.0.50 — fixed in 1.0.0.50
NETGEAR R7300Dst Firmware: before 1.0.0.70 — fixed in 1.0.0.70
NETGEAR R7900 Firmware: before 1.0.3.8 — fixed in 1.0.3.8
NETGEAR R8300 Firmware: before 1.0.2.128 — fixed in 1.0.2.128
NETGEAR R8500 Firmware: before 1.0.2.128 — fixed in 1.0.2.128

How to fix

Upgrade to a fixed version: NETGEAR Ex7000 Firmware 1.0.1.78; NETGEAR R6250 Firmware 1.0.4.34; NETGEAR R6400 Firmware 1.0.1.46; NETGEAR R6400V2 Firmware 1.0.2.66; NETGEAR R6700V3 Firmware 1.0.2.66; NETGEAR R7100Lg Firmware 1.0.0.50; NETGEAR R7300Dst Firmware 1.0.0.70; NETGEAR R7900 Firmware 1.0.3.8; NETGEAR R8300 Firmware 1.0.2.128; NETGEAR R8500 Firmware 1.0.2.128. Check the vendor advisory for mitigations.

References

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