CVE-2021-45524
CVE-2021-45524 is a high-severity vulnerability in Netgear R8000 Firmware with a CVSS 3.x base score of 7.6. 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- CVSS v2: 9.0
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Netgear R8000 Firmware
- Published:
- Last modified:
Description
NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.
Frequently asked questions
- What is CVE-2021-45524?
- NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.
- How severe is CVE-2021-45524?
- CVE-2021-45524 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-45524 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45524?
- CVE-2021-45524 affects Netgear R8000 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45524?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-45524 published?
- CVE-2021-45524 was published on 2021-12-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
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