Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2021-34983

NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to system configuration information. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13708.

No technical information available.

CWEs:

Software From Fixed in
netgear / xr1000_firmware - 1.0.0.64
netgear / xr300_firmware - 1.0.3.68
netgear / d6220_firmware - 1.0.0.76
netgear / d6400_firmware - 1.0.0.108
netgear / d7000v2_firmware - 1.0.0.76
netgear / dgn2200v4_firmware - 1.0.0.126
netgear / v6510-1fxaus_firmware - 1.0.0.80
netgear / dc112a_firmware - 1.0.0.62
netgear / ex3700_firmware - 1.0.0.94
netgear / ex3800_firmware - 1.0.0.94
netgear / ex6120_firmware - 1.0.0.66
netgear / ex6130_firmware - 1.0.0.46
netgear / ex7000_firmware - 1.0.1.106
netgear / ex7500_firmware - 1.0.1.76
netgear / mr60_firmware - 1.1.6.122
netgear / mr80_firmware - 1.1.6.10
netgear / ms60_firmware - 1.1.6.122
netgear / ms80_firmware - 1.1.6.10
netgear / lax20_firmware - 1.1.6.30
netgear / r6400_firmware - 1.0.1.76
netgear / r6400v2_firmware - 1.0.4.120
netgear / r6700v3_firmware - 1.0.4.120
netgear / r6900p_firmware - 1.3.3.148
netgear / r7000_firmware - 1.0.11.128
netgear / r7000p_firmware - 1.3.3.148
netgear / r7100lg_firmware - 1.0.0.72
netgear / r7850_firmware - 1.0.5.76
netgear / r7900p_firmware - 1.4.2.84
netgear / r7960p_firmware - 1.4.2.84
netgear / r8000_firmware - 1.0.4.76
netgear / r8000p_firmware - 1.4.2.84
netgear / r8300_firmware - 1.0.2.156
netgear / r8500_firmware - 1.0.2.156
netgear / rax15_firmware - 1.0.4.100
netgear / rax20_firmware - 1.0.4.100
netgear / rax200_firmware - 1.0.5.132
netgear / rax35v2_firmware - 1.0.4.100
netgear / rax38v2_firmware - 1.0.4.100
netgear / rax40v2_firmware - 1.0.4.100
netgear / rax42_firmware - 1.0.4.100
netgear / rax43_firmware - 1.0.4.100
netgear / rax45_firmware - 1.0.4.100
netgear / rax48_firmware - 1.0.4.100
netgear / rax50_firmware - 1.0.4.100
netgear / rax50s_firmware - 1.0.4.100
netgear / rax75_firmware - 1.0.5.132
netgear / rax80_firmware - 1.0.5.132
netgear / raxe450_firmware - 1.0.8.70
netgear / raxe500_firmware - 1.0.8.70
netgear / rs400_firmware - 1.5.1.80
netgear / wndr3400v3_firmware - 1.0.1.42
netgear / wnr3500lv2_firmware - 1.2.0.70

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.