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cvelistZdiCVELIST:CVE-2022-43632
HistoryMar 29, 2023 - 12:00 a.m.

CVE-2022-43632

2023-03-2900:00:00
CWE-78
zdi
www.cve.org
2
vulnerability
d-link dir-1935
execution of arbitrary code
authentication bypass
web management portal

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

20.3%

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetQoSSettings requests to the web management portal. When parsing subelements within the QoSInfo element, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16153.

CNA Affected

[
  {
    "vendor": "D-Link",
    "product": "DIR-1935",
    "versions": [
      {
        "version": "1.03",
        "status": "affected"
      }
    ]
  }
]

CVSS3

6.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

20.3%

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