Netgear DC112A httpd missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Netgear DC112A, EX3700, EX3800, EX6120, EX6130, EX7000, EX7500, MR60, MR80, MS60, MS80, LAX20, R6400, R6400v2, R6700v3, R6900P, R7000, R7000P, R7100LG, R7850, R7900P, R7960P, R8000, R8000P, R8300, R8500, RAX15, RAX20, RAX200, RAX35v2, RAX38v2, RAX40v2, RAX42, RAX43, RAX45, RAX48, RAX50, RAX50S, RAX75, RAX80, RAXE450, RAXE500, RS400, WNDR3400v3, WNR3500Lv2, XR1000, XR300, D6220, D6400, D7000v2, DGN2200v4 and V6510-1FXAUS (Router Operating System). Affected by this issue is some unknown functionality of the component httpd. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality. CVE summarizes:

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.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2021-34983 since 06/17/2021. The exploitation is known to be easy. The attack can only be initiated within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/08/2024).

Upgrading eliminates this vulnerability.

See VDB-250711, VDB-250712, VDB-252255 and VDB-252256 for similar entries.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Zero Day Initiative): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/17/2021 CVE reserved
05/07/2024 +1055 days VulDB entry created
05/08/2024 +0 days Advisory disclosed
05/08/2024 +0 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: ZDI-21-1275
Status: Confirmed

CVE: CVE-2021-34983 (🔒)
See also: 🔒

Entryinfo

Created: 05/08/2024 01:42 AM
Changes: 05/08/2024 01:42 AM (62), 05/08/2024 01:43 AM (3)
Complete: 🔍
Cache ID: 44:301:40

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