How severe is CVE-2019-20679?

CVE-2019-20679 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20679 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20679?

CVE-2019-20679 affects Netgear Mr1100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20679?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-20679 published?

CVE-2019-20679 was published on 2020-04-15 and last updated on 2026-06-17.

CVE-2019-20679

CVE-2019-20679 is a critical-severity vulnerability in Netgear Mr1100 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netgear Mr1100 Firmware
Published: 2020-04-15
Last modified: 2026-06-17

Description

NETGEAR MR1100 devices before 12.06.08.00 are affected by lack of access control at the function level.

Frequently asked questions

What is CVE-2019-20679?: NETGEAR MR1100 devices before 12.06.08.00 are affected by lack of access control at the function level.
How severe is CVE-2019-20679?: CVE-2019-20679 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20679 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20679?: CVE-2019-20679 affects Netgear Mr1100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20679?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-20679 published?: CVE-2019-20679 was published on 2020-04-15 and last updated on 2026-06-17.

References

https://kb.netgear.com/000061460/Security-Advisory-for-Missing-Function-Level-Access-Control-on-MR1100-PSV-2018-0537

Affected products (1)

cpe:2.3:o:netgear:mr1100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Mr1100 Firmware

CVE-2019-14527 — Critical (CVSS 9.8): An issue was discovered on NETGEAR Nighthawk M1 (MR1100) devices before 12.06.03. System commands can be executed, via…
CVE-2019-14526 — High (CVSS 8.1): An issue was discovered on NETGEAR Nighthawk M1 (MR1100) devices before 12.06.03. The web-interface Cross-Site Request…
CVE-2019-20649 — High (CVSS 7.5): NETGEAR MR1100 devices before 12.06.08.00 are affected by disclosure of sensitive information.
CVE-2019-20638 — Medium (CVSS 6.5): NETGEAR MR1100 devices before 12.06.08.00 are affected by disclosure of administrative credentials.

All CVEs affecting Netgear Mr1100 Firmware →