CVE-2021-45512
CVE-2021-45512 is a high-severity vulnerability in Netgear D7000 Firmware with a CVSS 3.x base score of 8.6. 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-327.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-327
- Affected product: Netgear D7000 Firmware
- Published:
- Last modified:
Description
Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.
Frequently asked questions
- What is CVE-2021-45512?
- Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.
- How severe is CVE-2021-45512?
- CVE-2021-45512 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
- Is CVE-2021-45512 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45512?
- CVE-2021-45512 primarily affects Netgear D7000 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45512?
- 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-2021-45512 published?
- CVE-2021-45512 was published on 2021-12-26 and last updated on 2026-06-17.
References
Affected products (21)
- cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*
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