Netgear R7450 1.2.0.62_1.0.1 mini_httpd improper authorization

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$5k-$25k0.00

A vulnerability, which was classified as critical, has been found in Netgear R7450 1.2.0.62_1.0.1 (Wireless LAN Software). Affected by this issue is an unknown code block of the component mini_httpd. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-285. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7450 1.2.0.62_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from improper state tracking in the password recovery process. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-11365.

The weakness was disclosed 02/05/2021. The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2020-27872 since 10/27/2020. The exploitation is known to be easy. Access to the local network is required for this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/23/2021). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-285
ATT&CK: T1548.002

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

10/27/2020 CVE assigned
02/05/2021 +101 days Advisory disclosed
02/05/2021 +0 days VulDB entry created
02/23/2021 +18 days VulDB last update

Sourcesinfoedit

Vendor: https://www.netgear.com/

Advisory: zerodayinitiative.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2020-27872 (🔒)

Entryinfoedit

Created: 02/05/2021 08:17 AM
Updated: 02/23/2021 03:22 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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