How severe is CVE-2020-35781?

CVE-2020-35781 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.

Is CVE-2020-35781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35781?

CVE-2020-35781 affects Netgear Nms300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35781?

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-2020-35781 published?

CVE-2020-35781 was published on 2020-12-30 and last updated on 2026-06-17.

CVE-2020-35781

CVE-2020-35781 is a high-severity vulnerability in Netgear Nms300 Firmware with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netgear Nms300 Firmware
Published: 2020-12-30
Last modified: 2026-06-17

Description

NETGEAR NMS300 devices before 1.6.0.27 are affected by denial of service.

Frequently asked questions

What is CVE-2020-35781?: NETGEAR NMS300 devices before 1.6.0.27 are affected by denial of service.
How severe is CVE-2020-35781?: CVE-2020-35781 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.
Is CVE-2020-35781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35781?: CVE-2020-35781 affects Netgear Nms300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35781?: 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-2020-35781 published?: CVE-2020-35781 was published on 2020-12-30 and last updated on 2026-06-17.

References

https://kb.netgear.com/000062687/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0561

Affected products (1)

cpe:2.3:o:netgear:nms300_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Nms300 Firmware

CVE-2020-35797 — Critical (CVSS 9.8): NETGEAR NMS300 devices before 1.6.0.27 are affected by command injection by an unauthenticated attacker.
CVE-2020-35789 — High (CVSS 8.8): NETGEAR NMS300 devices before 1.6.0.27 are affected by command injection by an authenticated user.
CVE-2020-35779 — High (CVSS 7.5): NETGEAR NMS300 devices before 1.6.0.27 are affected by denial of service.
CVE-2020-35780 — High (CVSS 7.1): NETGEAR NMS300 devices before 1.6.0.27 are affected by denial of service.

All CVEs affecting Netgear Nms300 Firmware →