How severe is CVE-2019-20749?

CVE-2019-20749 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-20749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20749?

CVE-2019-20749 primarily affects Netgear D7800 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20749?

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

When was CVE-2019-20749 published?

CVE-2019-20749 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2019-20749

CVE-2019-20749 is a medium-severity vulnerability in Netgear D7800 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% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgear D7800 Firmware
Published: 2020-04-16
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.47, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN2000RPTv3 before 1.0.1.32, WN3000RPv3 before 1.0.2.70, and WN3100RPv2 before 1.0.0.66.

Frequently asked questions

What is CVE-2019-20749?: Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.47, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN2000RPTv3 before 1.0.1.32, WN3000RPv3 before 1.0.2.70, and WN3100RPv2 before 1.0.0.66.
How severe is CVE-2019-20749?: CVE-2019-20749 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-20749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20749?: CVE-2019-20749 primarily affects Netgear D7800 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20749 published?: CVE-2019-20749 was published on 2020-04-16 and last updated on 2026-06-17.

References

https://kb.netgear.com/000060965/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Gateways-Extenders-and-Routers-PSV-2018-0172

Affected products (10)

cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7500_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:wn2000rpt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:*

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