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vulnrichmentZdiVULNRICHMENT:CVE-2023-35721
HistoryMay 03, 2024 - 1:57 a.m.

CVE-2023-35721 NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability

2024-05-0301:57:40
CWE-295
zdi
github.com
2
netgear
routers
https
validation
vulnerability
remote code execution

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

16.2%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the update functionality, which operates over HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19981.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:netgear:rax50_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "netgear",
    "product": "rax50_firmware",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.15.128",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

16.2%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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