Description

NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13055.

INFO

Published Date :

2024-05-07T22:54:22.897Z

Last Modified :

2024-08-04T00:26:55.741Z

Source :

zdi
AFFECTED PRODUCTS

The following products are affected by CVE-2021-34947 vulnerability.

Vendors Products
Netgear
  • D7800
  • D7800 Firmware
  • Ex2700
  • Ex2700 Firmware
  • Ex6100
  • Ex6100 Firmware
  • Ex6150
  • Ex6150 Firmware
  • Ex6200
  • Ex6200 Firmware
  • Ex6250
  • Ex6250 Firmware
  • Ex6400
  • Ex6400 Firmware
  • Ex6400v2
  • Ex6400v2 Firmware
  • Ex6410
  • Ex6410 Firmware
  • Ex6420
  • Ex6420 Firmware
  • Ex6500v1
  • Ex6500v1 Firmware
  • Ex7300
  • Ex7300 Firmware
  • Ex7300v2
  • Ex7300v2 Firmware
  • Ex7320
  • Ex7320 Firmware
  • Ex7700
  • Ex7700 Firmware
  • Ex8000
  • Ex8000 Firmware
  • Lbr1020
  • Lbr1020 Firmware
  • Lbr20
  • Lbr20 Firmware
  • R6700ax
  • R6700ax Firmware
  • R7800
  • R7800 Firmware
  • R8900
  • R8900 Firmware
  • R9000
  • R9000 Firmware
  • Rax10
  • Rax10 Firmware
  • Rax120
  • Rax120 Firmware
  • Rax120v2
  • Rax120v2 Firmware
  • Rax70
  • Rax70 Firmware
  • Rax78
  • Rax78 Firmware
  • Rbr10
  • Rbr10 Firmware
  • Rbr20
  • Rbr20 Firmware
  • Rbr40
  • Rbr40 Firmware
  • Rbr50
  • Rbr50 Firmware
  • Rbs10
  • Rbs10 Firmware
  • Rbs20
  • Rbs20 Firmware
  • Rbs40
  • Rbs40 Firmware
  • Rbs50
  • Rbs50 Firmware
  • Rbs50y
  • Rbs50y Firmware
  • Wn3000rpv2
  • Wn3000rpv2 Firmware
  • Wnr2000v5
  • Wnr2000v5 Firmware
  • Xr450
  • Xr450 Firmware
  • Xr500
  • Xr500 Firmware
  • Xr700
  • Xr700 Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-34947.

URL Resource
https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129 cve-icon cve-icon
https://www.zerodayinitiative.com/advisories/ZDI-21-1116/ cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact