CVE-2018-21112

6.8 mediumEPSS 0.9%

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.44, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, and R9000 before 1.0.4.12.

Severity

CVSS 3.1

6.8 medium

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-74
Published: 2020-04-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netgear:d7800_firmware
netgear:r7500_firmware
netgear:r7800_firmware
netgear:r8900_firmware
netgear:r9000_firmware

References

https://kb.netgear.com/000060439/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2018-0093
https://kb.netgear.com/000060439/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2018-0093

Check your stack JSON