How severe is CVE-2020-35808?

CVE-2020-35808 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-35808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35808?

CVE-2020-35808 primarily affects Netgear D6100 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-35808?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-35808 published?

CVE-2020-35808 was published on 2020-12-30 and last updated on 2026-06-17.

CVE-2020-35808

CVE-2020-35808 is a medium-severity vulnerability in Netgear D6100 Firmware with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgear D6100 Firmware
Published: 2020-12-30
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by stored XSS. This affects D6100 before 1.0.0.63, DM200 before 1.0.0.61, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN3000RPv2 before 1.0.0.68, and WNR2000v5 before 1.0.0.66.

Frequently asked questions

What is CVE-2020-35808?: Certain NETGEAR devices are affected by stored XSS. This affects D6100 before 1.0.0.63, DM200 before 1.0.0.61, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN3000RPv2 before 1.0.0.68, and WNR2000v5 before 1.0.0.66.
How severe is CVE-2020-35808?: CVE-2020-35808 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-35808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35808?: CVE-2020-35808 primarily affects Netgear D6100 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-35808?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35808 published?: CVE-2020-35808 was published on 2020-12-30 and last updated on 2026-06-17.

References

https://kb.netgear.com/000062708/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-and-Range-Extenders-PSV-2018-0158

Affected products (7)

cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wn3000rpv2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:*

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