Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-34865

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13313.

Published

2022-01-25T16:15:08.383

Last Modified

2024-11-21T06:11:22.170

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Primary
    CWE-697
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear ac2100_firmware < 1.2.0.88 Yes
Hardware netgear ac2100 - No
Operating System netgear ac2400_firmware < 1.2.0.88 Yes
Hardware netgear ac2400 - No
Operating System netgear ac2600_firmware < 1.2.0.88 Yes
Hardware netgear ac2600 - No
Operating System netgear d7000v1_firmware < 1.0.1.80 Yes
Hardware netgear d7000v1 - No
Operating System netgear r6220_firmware < 1.1.0.110 Yes
Hardware netgear r6220 - No
Operating System netgear r6230_firmware < 1.1.0.110 Yes
Hardware netgear r6230 - No
Operating System netgear r6260_firmware < 1.1.0.84 Yes
Hardware netgear r6260 - No
Operating System netgear r6330_firmware < 1.1.0.84 Yes
Hardware netgear r6330 - No
Operating System netgear r6350_firmware < 1.1.0.84 Yes
Hardware netgear r6350 - No
Operating System netgear r6700v2_firmware < 1.2.0.88 Yes
Hardware netgear r6700v2 - No
Operating System netgear r6800_firmware < 1.2.0.88 Yes
Hardware netgear r6800 - No
Operating System netgear r6850_firmware < 1.1.0.84 Yes
Hardware netgear r6850 - No
Operating System netgear r6900v2_firmware < 1.2.0.88 Yes
Hardware netgear r6900v2 - No
Operating System netgear r7200_firmware < 1.2.0.88 Yes
Hardware netgear r7200 - No
Operating System netgear r7350_firmware < 1.2.0.88 Yes
Hardware netgear r7350 - No
Operating System netgear r7400_firmware < 1.2.0.88 Yes
Hardware netgear r7400 - No
Operating System netgear r7450_firmware < 1.2.0.88 Yes
Hardware netgear r7450 - No
References