How severe is CVE-2020-35777?

CVE-2020-35777 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-35777 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-2020-35777?

CVE-2020-35777 affects Netgear Dgn2200v1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35777?

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-2020-35777 published?

CVE-2020-35777 was published on 2020-12-30 and last updated on 2026-06-17.

CVE-2020-35777

CVE-2020-35777 is a high-severity vulnerability in Netgear Dgn2200v1 Firmware with a CVSS 3.x base score of 8.4. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v2: 7.7
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Netgear Dgn2200v1 Firmware
Published: 2020-12-30
Last modified: 2026-06-17

Description

NETGEAR DGN2200v1 devices before v1.0.0.58 are affected by command injection.

Frequently asked questions

What is CVE-2020-35777?: NETGEAR DGN2200v1 devices before v1.0.0.58 are affected by command injection.
How severe is CVE-2020-35777?: CVE-2020-35777 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-35777 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-2020-35777?: CVE-2020-35777 affects Netgear Dgn2200v1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35777?: 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-2020-35777 published?: CVE-2020-35777 was published on 2020-12-30 and last updated on 2026-06-17.

References

https://kb.netgear.com/000062634/Security-Advisory-for-Command-Injection-Vulnerability-on-DGN2200v1-PSV-2020-0411

Affected products (1)

cpe:2.3:o:netgear:dgn2200v1_firmware:*:*:*:*:*:*:*:*

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