CVE-2019-20755
6.8 · MEDIUMOverview
CVE-2019-20755 is a medium-severity vulnerability affecting netgear d6220_firmware. It was published on April 16, 2020 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. 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 a stack-based buffer overflow by an authenticated user. This affects D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.
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, < 1.0.0.46 | Affected |
| netgear | d6400_firmware | >= 0, < 1.0.0.80 | Affected |
| netgear | d7000_firmware | >= 0, < 1.0.0.51 | Affected |
| netgear | d8500_firmware | >= 0, < 1.0.3.42 | Affected |
| netgear | dgn2200_firmware | >= 0, < 1.0.0.58 | Affected |
| netgear | dgn2200b_firmware | >= 0, < 1.0.0.58 | Affected |
| netgear | jndr3000_firmware | >= 0, < 1.0.0.24 | Affected |
| netgear | rbw30_firmware | >= 0, < 2.1.4.16 | Affected |
| netgear | r6250_firmware | >= 0, < 1.0.4.26 | Affected |
| netgear | r6300_firmware | >= 0, < 1.0.4.28 | Affected |
References
Frequently Asked Questions
What is CVE-2019-20755?
CVE-2019-20755 is a medium-severity vulnerability affecting netgear d6220_firmware. It was published on April 16, 2020 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
How severe is CVE-2019-20755?
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-20755?
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-2019-20755?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-20755 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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