CVE-2021-34983
NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability
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.
- Record
CVE-2021-34983- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2021-21630
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.
- Record
EUVD-2021-21630- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2r4f-jfx8-mhm3
NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information...
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.
- Record
GHSA-2r4f-jfx8-mhm3- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-120, CWE-306
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-34983- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
- bec technologies multiple routers
- netgear multiple routers
- netgear d6220 firmware
- netgear d6400 firmware
- netgear d7000v2 firmware
- netgear dc112a firmware
- netgear dgn2200v4 firmware
- netgear ex3700 firmware
- netgear ex3800 firmware
- netgear ex6120 firmware
- netgear ex6130 firmware
- netgear ex7000 firmware
Show 42 moreShow less
- netgear ex7500 firmware
- netgear lax20 firmware
- netgear mr60 firmware
- netgear mr80 firmware
- netgear ms60 firmware
- netgear ms80 firmware
- netgear r6400 firmware
- netgear r6400v2 firmware
- netgear r6700v3 firmware
- netgear r6900p firmware
- netgear r7000 firmware
- netgear r7000p firmware
- netgear r7100lg firmware
- netgear r7850 firmware
- netgear r7900p firmware
- netgear r7960p firmware
- netgear r8000 firmware
- netgear r8000p firmware
- netgear r8300 firmware
- netgear r8500 firmware
- netgear rax15 firmware
- netgear rax200 firmware
- netgear rax20 firmware
- netgear rax35v2 firmware
- netgear rax38v2 firmware
- netgear rax40v2 firmware
- netgear rax42 firmware
- netgear rax43 firmware
- netgear rax45 firmware
- netgear rax48 firmware
- netgear rax50 firmware
- netgear rax50s firmware
- netgear rax75 firmware
- netgear rax80 firmware
- netgear raxe450 firmware
- netgear raxe500 firmware
- netgear rs400 firmware
- netgear v6510-1fxaus firmware
- netgear wndr3400v3 firmware
- netgear wnr3500lv2 firmware
- netgear xr1000 firmware
- netgear xr300 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34983 is a medium vulnerability (CVSS 6.5) in Bec Technologies Multiple Routers, published May 7, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.