Vulnerability Monitor

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CVE-2016-6277

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/.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 22 products from netgear, from netgear, from netgear and 19 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-12-14T16:59:00.350

Last Modified

2025-10-22T00:15:54.440

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-352
Type: Secondary
CWE-352

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	netgear	d6220_firmware	≤ 1.0.0.22	Yes
Hardware	netgear	d6220	-	No
Operating System	netgear	d6400_firmware	≤ 1.0.0.56	Yes
Hardware	netgear	d6400	-	No
Operating System	netgear	r6250_firmware	≤ 1.0.4.6_10.1.12	Yes
Hardware	netgear	r6250	-	No
Operating System	netgear	r6400_firmware	≤ 1.0.1.18	Yes
Hardware	netgear	r6400	-	No
Operating System	netgear	r6700_firmware	≤ 1.0.1.14	Yes
Hardware	netgear	r6700	-	No
Operating System	netgear	r6900_firmware	≤ 1.0.1.14	Yes
Hardware	netgear	r6900	-	No
Operating System	netgear	r7000_firmware	≤ 1.0.7.2_1.1.93	Yes
Hardware	netgear	r7000	-	No
Operating System	netgear	r7100lg_firmware	≤ 1.0.0.28	Yes
Hardware	netgear	r7100lg	-	No
Operating System	netgear	r7300dst_firmware	≤ 1.0.0.46	Yes
Hardware	netgear	r7300dst	-	No
Operating System	netgear	r7900_firmware	≤ 1.0.1.8	Yes
Hardware	netgear	r7900	-	No
Operating System	netgear	r8000_firmware	≤ 1.0.3.26	Yes
Hardware	netgear	r8000	-	No

References

http://kb.netgear.com/000036386/CVE-2016-582384 Patch, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/94819 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/ Broken Link, Mitigation, Third Party Advisory ([email protected])
https://kalypto.org/research/netgear-vulnerability-expanded/ Broken Link, Exploit, Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/40889/ Third Party Advisory, VDB Entry ([email protected])
https://www.exploit-db.com/exploits/41598/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://www.kb.cert.org/vuls/id/582384 Third Party Advisory, US Government Resource ([email protected])
http://kb.netgear.com/000036386/CVE-2016-582384 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/94819 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/ Broken Link, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kalypto.org/research/netgear-vulnerability-expanded/ Broken Link, Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/40889/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/41598/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/582384 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6277 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For netgear's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.