Is CVE-2016-6277 actively exploited?

CVE-2016-6277 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2016-6277?

CVE-2016-6277 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-6277?

Patch guidance is available from netgear security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-6277.

Fix CVE-2016-6277 - HIGH netgear d6220 firmware

Q: Which products are affected by CVE-2016-6277?

11 products: netgear d6220 firmware, netgear d6400 firmware, netgear r6250 firmware, netgear r6400 firmware, netgear r6700 firmware, and 6 more.

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/.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-352 · Cross-Site Request Forgery CWE-352 · Cross-Site Request Forgery

Metadata

Primary Vendor: NETGEAR
Published: 12/14/2016
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

netgear : d6220_firmwarenetgear : d6400_firmwarenetgear : r6250_firmwarenetgear : r6400_firmwarenetgear : r6700_firmwarenetgear : r6900_firmwarenetgear : r7000_firmwarenetgear : r7100lg_firmwarenetgear : r7300dst_firmwarenetgear : r7900_firmwarenetgear : r8000_firmware

Remediation Guidance

Executive Summary

View on NIST NVD