Netgear R6700 1.0.4.84_10.0.58 File Upload heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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7.3$5k-$25k0.00

A vulnerability classified as critical was found in Netgear R6700 1.0.4.84_10.0.58 (Wireless LAN Software). This vulnerability affects an unknown code block of the component File Upload Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9767.

The weakness was shared 07/28/2020 (Website). The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2020-10928 since 03/24/2020. Access to the local network is required for this attack. No form of authentication is required for a successful 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 07/29/2020).

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

The entries 159096, 159095, 159093 and 159092 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2020 🔍
07/28/2020 +126 days 🔍
07/29/2020 +1 days 🔍
11/06/2020 +100 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: zerodayinitiative.com
Status: Not defined

CVE: CVE-2020-10928 (🔍)
See also: 🔍

Entryinfo

Created: 07/29/2020 20:01
Updated: 11/06/2020 09:30
Changes: 07/29/2020 20:01 (38), 07/29/2020 20:06 (12), 11/06/2020 09:30 (1)
Complete: 🔍
Cache ID: 3:E65:103

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