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TwcertCVELIST:CVE-2023-39240

HistorySep 07, 2023 - 7:25 a.m.

CVE-2023-39240 ASUS RT-AX55、RT-AX56U_V2 - Format String - 3

2023-09-0707:25:32

CWE-134

twcert

www.cve.org

cve-2023-39240

asus rt-ax56u

format string

iperf client

remote attack

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.5%

JSON

It is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_cli.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "RT-AX55",
    "vendor": "ASUS",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0.4.386_50460"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "RT-AX56U_V2",
    "vendor": "ASUS",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0.4.386_50460"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-7356-021bf-1.html

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

49.5%

JSON

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