How severe is CVE-2019-20486?

CVE-2019-20486 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-20486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20486?

CVE-2019-20486 affects Netgear Wnr1000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20486?

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

When was CVE-2019-20486 published?

CVE-2019-20486 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2019-20486

CVE-2019-20486 is a medium-severity vulnerability in Netgear Wnr1000 Firmware with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgear Wnr1000 Firmware
Published: 2020-03-02
Last modified: 2026-06-17

Description

An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple pages (setup.cgi and adv_index.htm) within the web management console are vulnerable to stored XSS, as demonstrated by the configuration of the UI language.

Frequently asked questions

What is CVE-2019-20486?: An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple pages (setup.cgi and adv_index.htm) within the web management console are vulnerable to stored XSS, as demonstrated by the configuration of the UI language.
How severe is CVE-2019-20486?: CVE-2019-20486 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-20486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20486?: CVE-2019-20486 affects Netgear Wnr1000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20486 published?: CVE-2019-20486 was published on 2020-03-02 and last updated on 2026-06-17.

References

https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2019/august/the-netgear-wnr1000v4-round-2/

Affected products (1)

cpe:2.3:o:netgear:wnr1000_firmware:1.1.0.54:*:*:*:*:*:*:*

More vulnerabilities in Netgear Wnr1000 Firmware

CVE-2019-20489 — Critical (CVSS 9.8): An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. The web management interface (setup.cgi) has an…
CVE-2019-20488 — Critical (CVSS 9.8): An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface…
CVE-2013-3317 — Critical (CVSS 9.8): Netgear WNR1000v3 with firmware before 1.0.2.60 contains an Authentication Bypass via the NtgrBak key.
CVE-2013-3316 — Critical (CVSS 9.8): Netgear WNR1000v3 with firmware before 1.0.2.60 contains an Authentication Bypass due to the server skipping checks for…
CVE-2018-21226 — High (CVSS 8.8): Certain NETGEAR devices are affected by authentication bypass. This affects JNR1010v2 before 1.1.0.48, JWNR2010v5…
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