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

Summaryinfo

A vulnerability was found in Netgear R6700 1.0.4.84_10.0.58 and classified as critical. Affected is an unknown function of the component File Upload Handler. The manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2020-15417. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Netgear R6700 1.0.4.84_10.0.58 (Wireless LAN Software). Affected is an unknown code of the component File Upload Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on 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. A crafted gui_region in a string table file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9756.

The weakness was shared 07/28/2020 (Website). The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2020-15417 since 06/30/2020. The attack needs to be initiated within the local network. The exploitation doesn't require any form of authentication. 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 07/30/2020).

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

The entry VDB-159113 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• R6700

Version

• 1.0.4.84_10.0.58

License

• commercial

Website

• Vendor: https://www.netgear.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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