How severe is CVE-2021-45497?

CVE-2021-45497 has a CVSS 3.x base score of 9.4, 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 low.

Is CVE-2021-45497 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45497?

CVE-2021-45497 affects Netgear D7000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45497?

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-2021-45497 published?

CVE-2021-45497 was published on 2021-12-26 and last updated on 2026-06-17.

CVE-2021-45497

CVE-2021-45497 is a critical-severity vulnerability in Netgear D7000 Firmware with a CVSS 3.x base score of 9.4. 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 9.4)
CVSS v2: 10.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netgear D7000 Firmware
Published: 2021-12-26
Last modified: 2026-06-17

Description

NETGEAR D7000 devices before 1.0.1.82 are affected by authentication bypass.

Frequently asked questions

What is CVE-2021-45497?: NETGEAR D7000 devices before 1.0.1.82 are affected by authentication bypass.
How severe is CVE-2021-45497?: CVE-2021-45497 has a CVSS 3.x base score of 9.4, 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 low.
Is CVE-2021-45497 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45497?: CVE-2021-45497 affects Netgear D7000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45497?: 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-2021-45497 published?: CVE-2021-45497 was published on 2021-12-26 and last updated on 2026-06-17.

References

https://kb.netgear.com/000064533/Security-Advisory-for-Authentication-Bypass-on-D7000-PSV-2021-0155

Affected products (1)

cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*

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