Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2020-35796

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before 2.5.0.10, D6220 before 1.0.0.60, D6400 before 1.0.0.94, D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, DC112A before 1.0.0.48, DGN2200v4 before 1.0.0.114, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX3920 before 1.0.0.84, EX6000 before 1.0.0.44, EX6100 before 1.0.2.28, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX6150 before 1.0.0.46, EX6200 before 1.0.3.94, EX6920 before 1.0.0.54, EX7000 before 1.0.1.90, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6250 before 1.0.4.42, R6300v2 before 1.0.4.42, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6700 before 1.0.2.16, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7850 before 1.0.5.60, R7900 before 1.0.4.26, R7900P before 1.4.1.62, R7960P before 1.4.1.62, R8000 before 1.0.4.58, R8000P before 1.4.1.62, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.32, RAX50 before 1.0.2.32, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V-200 before 1.0.0.46, RBW30 before 2.5.0.4, RS400 before 1.5.0.48, WN2500RPv2 before 1.0.1.56, WN3500RP before 1.0.0.28, WNDR3400v3 before 1.0.1.32, WNR1000v3 before 1.0.2.78, WNR2000v2 before 1.2.0.12, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

  • Published: Dec 30, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-35796
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 10
  • AV:N/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
netgear / cbr40_firmware - 2.5.0.10
netgear / d6220_firmware - 1.0.0.60
netgear / d6400_firmware - 1.0.0.94
netgear / d7000v2_firmware - 1.0.0.62
netgear / d8500_firmware - 1.0.3.50
netgear / dc112a_firmware - 1.0.0.48
netgear / dgn2200v4_firmware - 1.0.0.114
netgear / eax20_firmware - 1.0.0.36
netgear / eax80_firmware - 1.0.1.62
netgear / ex3700_firmware - 1.0.0.84
netgear / ex3800_firmware - 1.0.0.84
netgear / ex3920_firmware - 1.0.0.84
netgear / ex6000_firmware - 1.0.0.44
netgear / ex6100_firmware - 1.0.2.28
netgear / ex6120_firmware - 1.0.0.54
netgear / ex6130_firmware - 1.0.0.36
netgear / ex6150_firmware - 1.0.0.46
netgear / ex6200_firmware - 1.0.3.94
netgear / ex6920_firmware - 1.0.0.54
netgear / ex7000_firmware - 1.0.1.90
netgear / ex7500_firmware - 1.0.0.68
netgear / mk62_firmware - 1.0.5.102
netgear / mr60_firmware - 1.0.5.102
netgear / ms60_firmware - 1.0.5.102
netgear / r6250_firmware - 1.0.4.42
netgear / r6300v2_firmware - 1.0.4.42
netgear / r6400_firmware - 1.0.1.62
netgear / r6400v2_firmware - 1.0.4.98
netgear / r6700v3_firmware - 1.0.4.98
netgear / r6700_firmware - 1.0.2.16
netgear / r6900p_firmware - 1.3.2.124
netgear / r6900_firmware - 1.0.2.16
netgear / r7000_firmware - 1.0.11.106
netgear / r7000p_firmware - 1.3.2.124
netgear / r7100lg_firmware - 1.0.0.56
netgear / r7850_firmware - 1.0.5.60
netgear / r7900_firmware - 1.0.4.26
netgear / r7900p_firmware - 1.4.1.62
netgear / r7960p_firmware - 1.4.1.62
netgear / r8000_firmware - 1.0.4.58
netgear / r8000p_firmware - 1.4.1.62
netgear / r8300_firmware - 1.0.2.134
netgear / r8500_firmware - 1.0.2.134
netgear / rax15_firmware - 1.0.1.64
netgear / rax20_firmware - 1.0.1.64
netgear / rax200_firmware - 1.0.2.102
netgear / rx45_firmware - 1.0.2.32
netgear / rax50_firmware - 1.0.2.32
netgear / rax75_firmware - 1.0.3.102
netgear / rax80_firmware - 1.0.3.102
netgear / rbk752_firmware - 3.2.16.6
netgear / rbr750_firmware - 3.2.16.6
netgear / rbs750_firmware - 3.2.16.6
netgear / rbk842_firmware - 3.2.16.6
netgear / rbr840_firmware - 3.2.16.6
netgear / rbs840_firmware - 3.2.16.6
netgear / rbk852_firmware - 3.2.16.6
netgear / rbr850_firmware - 3.2.16.6
netgear / rbs850_firmware - 3.2.16.6
netgear / rbs40v-200_firmware - 1.0.0.46
netgear / rbw30_firmware - 2.5.0.4
netgear / rs400_firmware - 1.5.0.48
netgear / wn2500rpv2_firmware - 1.0.1.56
netgear / wn3500rp_firmware - 1.0.0.28
netgear / wndr3400v3_firmware - 1.0.1.32
netgear / wnr1000v3_firmware - 1.0.2.78
netgear / wnr2000v2_firmware - 1.2.0.12
netgear / wnr3500lv2_firmware - 1.2.0.62
netgear / xr300_firmware - 1.0.3.50

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.