Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2021-34991

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110.

  • Published: Nov 15, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-34991
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 8.3
  • AV:A/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
netgear / ex3700_firmware - 1.0.0.94
netgear / ex3800_firmware - 1.0.0.94
netgear / ex6120_firmware - 1.0.0.66
netgear / ex6130_firmware - 1.0.0.66
netgear / r6400_firmware - 1.0.1.76
netgear / r6400v2_firmware - 1.0.4.120
netgear / r6700v3_firmware - 1.0.4.120
netgear / r6900p_firmware - 1.3.3.142
netgear / r7000_firmware - 1.0.11.128
netgear / r7000p_firmware - 1.3.3.142
netgear / r7100lg_firmware - 1.0.0.72
netgear / r7850_firmware - 1.0.5.76
netgear / r7900p_firmware - 1.4.2.84
netgear / r7960p_firmware - 1.4.2.84
netgear / r8000_firmware - 1.0.4.76
netgear / r8000p_firmware - 1.4.2.84
netgear / r8300_firmware - 1.0.2.156
netgear / r8500_firmware - 1.0.2.156
netgear / rax15_firmware - 1.0.4.100
netgear / rax20_firmware - 1.0.4.100
netgear / rax200_firmware - 1.0.5.132
netgear / rax35v2_firmware - 1.0.4.100
netgear / rax38v2_firmware - 1.0.4.100
netgear / rax40v2_firmware - 1.0.4.100
netgear / rax42_firmware - 1.0.4.100
netgear / rax43_firmware - 1.0.4.100
netgear / rax45_firmware - 1.0.4.100
netgear / rax48_firmware - 1.0.4.100
netgear / rax50_firmware - 1.0.4.100
netgear / rax50s_firmware - 1.0.4.100
netgear / rax75_firmware - 1.0.5.132
netgear / rax80_firmware - 1.0.5.132
netgear / raxe450_firmware - 1.0.8.70
netgear / raxe500_firmware - 1.0.8.70
netgear / rs400_firmware - 1.5.1.80
netgear / wndr3400v3_firmware - 1.0.1.42
netgear / wnr3500lv2_firmware - 1.2.0.70
netgear / xr300_firmware - 1.0.3.68
netgear / d6220_firmware - 1.0.0.76
netgear / d6400_firmware - 1.0.0.108
netgear / d7000v2_firmware - 1.0.0.76
netgear / dgn2200v4_firmware - 1.0.0.126
netgear / dc112a_firmware - 1.0.0.62
netgear / cax80_firmware - 2.1.3.5