CVE-2017-18777
7.8 · HIGHOverview
CVE-2017-18777 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on April 22, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
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, < 1.0.0.28 | Affected |
| netgear | d6400_firmware | >= 0, < 1.0.0.60 | Affected |
| netgear | d8500_firmware | >= 0, < 1.0.3.29 | Affected |
| netgear | dgn2200_firmware | >= 0, < 1.0.0.82 | Affected |
| netgear | dgn2200b_firmware | >= 0, < 1.0.0.82 | Affected |
| netgear | r6300_firmware | >= 0, < 1.0.4.8 | Affected |
| netgear | r6400_firmware | >= 0, < 1.0.1.20 | Affected |
| netgear | r6700_firmware | >= 0, < 1.0.1.20 | Affected |
| netgear | r6900_firmware | >= 0, < 1.0.1.20 | Affected |
| netgear | r7000_firmware | >= 0, < 1.0.7.10 | Affected |
Frequently Asked Questions
What is CVE-2017-18777?
CVE-2017-18777 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on April 22, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2017-18777?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2017-18777?
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-2017-18777?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-18777 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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