How severe is CVE-2021-34979?

This vulnerability has a severity rating of HIGH with a CVSS score of 8.8 out of 10.

What type of vulnerability is CVE-2021-34979?

This is classified as CWE-120, which is a common weakness in software security.

CVE-2021-34979 - HIGH Severity | CVSS 8.8

Vulnerability Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SOAP requests. When parsing the SOAPAction header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13512.

Related Vulnerabilities

CVE-2006-2492

HIGH

CVSS:8.8(High)

Buffer overflow in Microsoft Word in Office 2000 SP3, Office XP SP3, Office 2003 Sp1 and SP2, and Microsoft Works Suites through 2006, allows user-assisted attackers to execute arbitrary code via a ma...

CWE-1202006

CVE-2009-0182

HIGH

CVSS:8.8(High)

Buffer overflow in VUPlayer 2.49 and earlier allows user-assisted attackers to execute arbitrary code via a long URL in a File line in a .pls file, as demonstrated by an http URL on a File1 line.

CWE-1202009

CVE-2010-3844

HIGH

CVSS:8.8(High)

An unchecked sscanf() call in ettercap before 0.7.5 allows an insecure temporary settings file to overflow a static-sized buffer on the stack.

CWE-1202010

CVE-2011-10005

HIGH

CVSS:8.8(High)

A vulnerability, which was classified as critical, was found in EasyFTP 1.7.0.2. Affected is an unknown function of the component MKD Command Handler. The manipulation leads to buffer overflow. It is ...

CWE-1202011

CVE-2011-2690

HIGH

CVSS:8.8(High)

Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_...

CWE-1202011

CVE-2013-2075

HIGH

CVSS:8.8(High)

Multiple buffer overflows in the (1) R5RS char-ready, (2) tcp-accept-ready, and (3) file-select procedures in Chicken through 4.8.0.3 allows attackers to cause a denial of service (crash) by opening a...

CWE-1202013