CVE-2019-20684
CVE-2019-20684 is a high-severity vulnerability in Netgear D3600 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Netgear D3600 Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6200 before 1.1.00.32, D7000 before 1.0.1.68, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, WNR2020 before 1.1.0.62, and XR500 before 2.3.2.32.
Frequently asked questions
- What is CVE-2019-20684?
- Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6200 before 1.1.00.32, D7000 before 1.0.1.68, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, WNR2020 before 1.1.0.62, and XR500 before 2.3.2.32.
- How severe is CVE-2019-20684?
- CVE-2019-20684 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-20684 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-20684?
- CVE-2019-20684 primarily affects Netgear D3600 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-20684?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-20684 published?
- CVE-2019-20684 was published on 2020-04-16 and last updated on 2026-06-17.
References
Affected products (17)
- cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:pr2000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Netgear D3600 Firmware
- CVE-2018-21137 — Critical (CVSS 9.8): Certain NETGEAR devices are affected by a hardcoded password. This affects D3600 before 1.0.0.76 and D6000 before…
- CVE-2019-20730 — Critical (CVSS 9.8): Certain NETGEAR devices are affected by SQL injection. This affects D3600 before 1.0.0.68, D6000 before 1.0.0.68, D6200…
- CVE-2020-35799 — High (CVSS 8.8): Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects…
- CVE-2018-21224 — High (CVSS 8.8): Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before…
- CVE-2018-21223 — High (CVSS 8.8): Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before…
- CVE-2018-21222 — High (CVSS 8.8): Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before…
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