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cvelistTwcertCVELIST:CVE-2022-40740
HistoryJan 03, 2023 - 12:00 a.m.

CVE-2022-40740 Realtek GPON router - Command Injection

2023-01-0300:00:00
CWE-78
twcert
www.cve.org
realtek gpon router
command injection
cve-2022-40740
remote attacker
authentication
administrator
command injection attacks
arbitrary system command
manipulate system
service disruption

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.5%

Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.

CNA Affected

[
  {
    "vendor": "Realtek",
    "product": "GPON router",
    "versions": [
      {
        "version": "SDK 1.9",
        "status": "affected"
      }
    ]
  }
]

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.5%

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