CVE-2019-20728

CVE-2019-20728 is a medium-severity vulnerability in Netgear D6400 Firmware with a CVSS 3.x base score of 6.7. 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-120.

Key facts

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48.

Frequently asked questions

What is CVE-2019-20728?
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48.
How severe is CVE-2019-20728?
CVE-2019-20728 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20728 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20728?
CVE-2019-20728 primarily affects Netgear D6400 Firmware. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20728?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20728 published?
CVE-2019-20728 was published on 2020-04-16 and last updated on 2026-06-17.

References

Affected products (38)

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