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cvelistZdiCVELIST:CVE-2022-43625
HistoryMar 29, 2023 - 12:00 a.m.

CVE-2022-43625

2023-03-2900:00:00
CWE-121
zdi
www.cve.org
2
vulnerability
network-adjacent attackers
authentication bypass
setstaticrouteipv4settings
buffer overflow
root access
zdi-can-16144

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

19.5%

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 SetStaticRouteIPv4Settings requests to the web management portal. When parsing the NetMask element, 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-16144.

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

19.5%

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