8.8
HIGH
CVE-2021-34978
NETGEAR R6260 Root Code Execution Via SOAP Request Overflow
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 setupwizard.cgi page. A crafted SOAP request can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13511.

INFO

Published Date :

Jan. 13, 2022, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 6:11 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-34978 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netgear r6260_firmware
2 Netgear r6260

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-34978 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-34978 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-1240/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 20, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258 No Types Assigned https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258 Vendor Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-1240/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-1240/ Third Party Advisory, VDB Entry
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6260_firmware:1.1.0.78_1.0.1:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-34978 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-34978 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.16 }} -0.01%

score

0.53205

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability