CVE-2019-20734
8.8 · HIGHOverview
CVE-2019-20734 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on April 16, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.40, D8500 before 1.0.3.39, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6300v2 before 1.0.4.18, R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6700v3 before 1.0.2.32, R6900 before 1.0.1.22, R7000 before 1.0.9.6, R6900P before 1.0.0.56, R7000P before 1.0.0.56, R7100LG before 1.0.0.42, R7300DST before 1.0.0.54, R7900 before 1.0.1.26, R8300 before 1.0.2.106, R8500 before 1.0.2.106, WN2500RPv2 before 1.0.1.54, and WNR3500Lv2 before 1.2.0.46. NOTE: this may be a result of an incomplete fix for CVE-2017-18864.
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, < 1.0.0.40 | Affected |
| netgear | d8500_firmware | >= 0, < 1.0.3.39 | Affected |
| netgear | ex3700_firmware | >= 0, < 1.0.0.70 | Affected |
| netgear | ex3800_firmware | >= 0, < 1.0.0.70 | Affected |
| netgear | ex6000_firmware | >= 0, < 1.0.0.30 | Affected |
| netgear | ex6100_firmware | >= 0, < 1.0.2.22 | Affected |
| netgear | ex6120_firmware | >= 0, < 1.0.0.40 | Affected |
| netgear | ex6130_firmware | >= 0, < 1.0.0.22 | Affected |
| netgear | ex6150_firmware | >= 0, < 1.0.0.42 | Affected |
| netgear | ex6200_firmware | >= 0, < 1.0.3.88 | Affected |
Frequently Asked Questions
What is CVE-2019-20734?
CVE-2019-20734 is a high-severity vulnerability affecting netgear d6220_firmware. It was published on April 16, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2019-20734?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-20734?
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-2019-20734?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-20734 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related HIGH CVEs from 2019
View all →An exploitable SQL injection vulnerability exist in YouPHPTube 7.7. When the "VideoTags" plugin is e
A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted inter
An error-based SQL injection vulnerability in product/card.php in Dolibarr version 8.0.2 allows remo
SQL injection vulnerability in user/card.php in Dolibarr version 8.0.2 allows remote authenticated u
SAP Enterprise Financial Services (fixed in SAPSCORE 1.13, 1.14, 1.15; S4CORE 1.01, 1.02, 1.03; EA-F
Under some circumstances, masterdata maintenance in SAP BW/4HANA (fixed in DW4CORE version 1.0 (SP08
A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates
An elevation of privilege exists in Windows COM Desktop Broker, aka "Windows COM Elevation of Privil
An elevation of privilege vulnerability exists in Microsoft Edge Browser Broker COM object, aka "Mic
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly ha
D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B0