Vulnerability Monitor

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CVE-2021-45656

Certain NETGEAR devices are affected by server-side injection. This affects D6200 before 1.1.00.38, D7000 before 1.0.1.78, R6020 before 1.0.0.48, R6080 before 1.0.0.48, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6260 before 1.1.0.78, R6800 before 1.2.0.76, R6900v2 before 1.2.0.76, R6700v2 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, AC2600 before 1.2.0.76, RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.1, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 54 products from netgear, from netgear, from netgear and 51 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-12-26T01:15:20.373

Last Modified

2024-11-21T06:32:48.053

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-74
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d6200_firmware < 1.1.00.38 Yes
Hardware netgear d6200 - No
Operating System netgear d7000_firmware < 1.0.1.78 Yes
Hardware netgear d7000 - No
Operating System netgear r6020_firmware < 1.0.0.48 Yes
Hardware netgear r6020 - No
Operating System netgear r6080_firmware < 1.0.0.48 Yes
Hardware netgear r6080 - No
Operating System netgear r6050_firmware < 1.0.1.26 Yes
Hardware netgear r6050 - No
Operating System netgear jr6150_firmware < 1.0.1.26 Yes
Hardware netgear jr6150 - No
Operating System netgear r6120_firmware < 1.0.0.66 Yes
Hardware netgear r6120 - No
Operating System netgear r6220_firmware < 1.1.0.100 Yes
Hardware netgear r6220 - No
Operating System netgear r6230_firmware < 1.1.0.110 Yes
Hardware netgear r6230 - No
Operating System netgear r6260_firmware < 1.1.0.78 Yes
Hardware netgear r6260 - No
Operating System netgear r6800_firmware < 1.2.0.76 Yes
Hardware netgear r6800 - No
Operating System netgear r6900_firmware < 1.2.0.76 Yes
Hardware netgear r6900 v2 No
Operating System netgear r6700_firmware < 1.2.0.76 Yes
Hardware netgear r6700 v2 No
Operating System netgear r7450_firmware < 1.2.0.76 Yes
Hardware netgear r7450 - No
Operating System netgear ac2100_firmware < 1.2.0.76 Yes
Hardware netgear ac2100 - No
Operating System netgear ac2400_firmware < 1.2.0.76 Yes
Hardware netgear ac2400 - No
Operating System netgear ac2600_firmware < 1.2.0.76 Yes
Hardware netgear ac2600 - No
Operating System netgear rbk40_firmware < 2.5.1.16 Yes
Hardware netgear rbk40 - No
Operating System netgear rbr40_firmware < 2.5.1.16 Yes
Hardware netgear rbr40 - No
Operating System netgear rbs40_firmware < 2.5.1.16 Yes
Hardware netgear rbs40 - No
Operating System netgear rbk20_firmware < 2.5.1.16 Yes
Hardware netgear rbk20 - No
Operating System netgear rbr20_firmware < 2.5.1.16 Yes
Hardware netgear rbr20 - No
Operating System netgear rbs20_firmware < 2.5.1.16 Yes
Hardware netgear rbs20 - No
Operating System netgear rbk50_firmware < 2.5.1.16 Yes
Hardware netgear rbk50 - No
Operating System netgear rbr50_firmware < 2.5.1.16 Yes
Hardware netgear rbr50 - No
Operating System netgear rbs50_firmware < 2.5.1.16 Yes
Hardware netgear rbs50 - No
Operating System netgear rbs50y_firmware < 2.6.1.40 Yes
Hardware netgear rbs50y - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For netgear's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.