CVE-2019-20753

CVE-2019-20753 is a high-severity vulnerability in Netgear Dgn2200 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

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects DGN2200v1 before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.78, D6220 before 1.0.0.44, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900 before 1.0.2.16, R7000P before 1.3.2.34, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.2.34, R7000 before 1.0.9.28, R6900 before 1.0.1.46, R6700 before 1.0.1.46, R6400v2 before 1.0.2.56, R6400 before 1.0.1.42, R6300v2 before 1.0.4.28, R6250 before 1.0.4.26, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.50.

Frequently asked questions

What is CVE-2019-20753?
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects DGN2200v1 before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.78, D6220 before 1.0.0.44, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900 before 1.0.2.16, R7000P before 1.3.2.34, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.2.34, R7000 before 1.0.9.28, R6900 before 1.0.1.46, R6700 before 1.0.1.46, R6400v2 before 1.0.2.56, R6400 before 1.0.1.42, R6300v2 before 1.0.4.28, R6250 before 1.0.4.26, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.50.
How severe is CVE-2019-20753?
CVE-2019-20753 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-2019-20753 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20753?
CVE-2019-20753 primarily affects Netgear Dgn2200 Firmware. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20753?
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-2019-20753 published?
CVE-2019-20753 was published on 2020-04-16 and last updated on 2026-06-17.

References

Affected products (23)

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