How severe is CVE-2021-45650?

CVE-2021-45650 has a CVSS 3.x base score of 9.1, 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 none, and availability high.

Is CVE-2021-45650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45650?

CVE-2021-45650 primarily affects Netgear R7000 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-45650?

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-2021-45650 published?

CVE-2021-45650 was published on 2021-12-26 and last updated on 2026-06-17.

CVE-2021-45650

CVE-2021-45650 is a critical-severity vulnerability in Netgear R7000 Firmware with a CVSS 3.x base score of 9.1. 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-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Netgear R7000 Firmware
Published: 2021-12-26
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RS400 before 1.5.1.80, R6400v2 before 1.0.4.102, R7000P before 1.3.2.126, R6700v3 before 1.0.4.102, and R6900P before 1.3.2.126.

Frequently asked questions

What is CVE-2021-45650?: Certain NETGEAR devices are affected by disclosure of sensitive information. This affects R7000 before 1.0.11.110, R7900 before 1.0.4.30, R8000 before 1.0.4.62, RS400 before 1.5.1.80, R6400v2 before 1.0.4.102, R7000P before 1.3.2.126, R6700v3 before 1.0.4.102, and R6900P before 1.3.2.126.
How severe is CVE-2021-45650?: CVE-2021-45650 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2021-45650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45650?: CVE-2021-45650 primarily affects Netgear R7000 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45650?: 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-2021-45650 published?: CVE-2021-45650 was published on 2021-12-26 and last updated on 2026-06-17.

References

https://kb.netgear.com/000064459/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-PSV-2020-0117

Affected products (8)

cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*

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