CISA KEV · Known exploitedHigh

CVE-2016-6277

NETGEAR Multiple Routers

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/.

CVSS: 8.8
EPSS: 99.8%
CISA KEV: Listed
Published: 2016.12.15

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability99.8%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: NETGEAR Multiple Routers
Affected versions: <= 1.0.0.22, <= 1.0.0.56, <= 1.0.4.6_10.1.12, <= 1.0.1.18, <= 1.0.1.14, <= 1.0.7.2_1.1.93, <= 1.0.0.28, <= 1.0.0.46, <= 1.0.1.8, <= 1.0.3.26
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.09.07

1
Identify
Confirm that NETGEAR Multiple Routers and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-352
KEV added: 2022.03.07
Ransomware use: 미확인