CVE-2021-45675
CVE-2021-45675 is a medium-severity vulnerability in Netgear R6120 Firmware with a CVSS 3.x base score of 5.8. 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 5.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Netgear R6120 Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by stored XSS. This affects R6120 before 1.0.0.76, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6700v2 before 1.2.0.76, R6900v2 before 1.2.0.76, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, and AC2600 before 1.2.0.76.
Frequently asked questions
- What is CVE-2021-45675?
- Certain NETGEAR devices are affected by stored XSS. This affects R6120 before 1.0.0.76, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6700v2 before 1.2.0.76, R6900v2 before 1.2.0.76, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, and AC2600 before 1.2.0.76.
- How severe is CVE-2021-45675?
- CVE-2021-45675 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2021-45675 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45675?
- CVE-2021-45675 primarily affects Netgear R6120 Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45675?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-45675 published?
- CVE-2021-45675 was published on 2021-12-26 and last updated on 2026-06-17.
References
Affected products (15)
- cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ac2400_firmware:1.2.0.76:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:*
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