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CVE-2016-6277

High 8.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
NETGEAR Multiple Routers Remote Code Execution Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

Description

NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta, R7300DST before 1.0.0.46.Beta, R7900 before 1.0.1.8.Beta, R8000 before 1.0.3.26.Beta, D6220, D6400, D7000, and possibly other routers allow remote attackers to execute arbitrary commands via shell metacharacters in the path info to cgi-bin/.

Metrics

CVSS 3.1
8.8 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — exploit probability
100% (percentile: 100) as of 1 November 2026
CWE
CWE-352

Affected products

netgear: d6220 firmware; netgear: d6220; netgear: d6400 firmware; netgear: d6400; netgear: r6250 firmware; netgear: r6250; netgear: r6400 firmware; netgear: r6400; netgear: r6700 firmware; netgear: r6700; netgear: r6900 firmware; netgear: r6900; netgear: r7000 firmware; netgear: r7000; netgear: r7100lg firmware

References