How severe is CVE-2021-45676?

CVE-2021-45676 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-45676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45676?

CVE-2021-45676 primarily affects Netgear Rax200 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-45676?

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

When was CVE-2021-45676 published?

CVE-2021-45676 was published on 2021-12-26 and last updated on 2026-06-17.

CVE-2021-45676

CVE-2021-45676 is a medium-severity vulnerability in Netgear Rax200 Firmware with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 3.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgear Rax200 Firmware
Published: 2021-12-26
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by stored XSS. This affects RAX200 before 1.0.5.126, RAX20 before 1.0.2.82, RAX80 before 1.0.5.126, RAX15 before 1.0.2.82, and RAX75 before 1.0.5.126.

Frequently asked questions

What is CVE-2021-45676?: Certain NETGEAR devices are affected by stored XSS. This affects RAX200 before 1.0.5.126, RAX20 before 1.0.2.82, RAX80 before 1.0.5.126, RAX15 before 1.0.2.82, and RAX75 before 1.0.5.126.
How severe is CVE-2021-45676?: CVE-2021-45676 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-45676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45676?: CVE-2021-45676 primarily affects Netgear Rax200 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45676 published?: CVE-2021-45676 was published on 2021-12-26 and last updated on 2026-06-17.

References

https://kb.netgear.com/000064462/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0161

Affected products (5)

cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Rax200 Firmware

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