CVE-2016-6277
8.8 · HIGH Actively ExploitedOverview
CVE-2016-6277 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on December 14, 2016 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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/.
Remediation
Check the references section for vendor advisories and patches from netgear. Update d6220_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| netgear | d6220_firmware | 0 | Affected |
| netgear | d6400_firmware | 0 | Affected |
| netgear | r6250_firmware | 0 | Affected |
| netgear | r6400_firmware | 0 | Affected |
| netgear | r6700_firmware | 0 | Affected |
| netgear | r6900_firmware | 0 | Affected |
| netgear | r7000_firmware | 0 | Affected |
| netgear | r7100lg_firmware | 0 | Affected |
| netgear | r7300dst_firmware | 0 | Affected |
| netgear | r7900_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-6277?
CVE-2016-6277 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on December 14, 2016 and has a CVSS 3.1 base score of 8.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2016-6277?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-6277?
Check the references section for vendor advisories and patches from netgear. Update d6220_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-6277?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-6277 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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