// For flags

CVE-2022-40740

Realtek GPON router - Command Injection

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-09-15 CVE Reserved
  • 2023-01-03 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
References (1)
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Realtek
Search vendor "Realtek"
Usdk
Search vendor "Realtek" for product "Usdk"
1.0
Search vendor "Realtek" for product "Usdk" and version "1.0"
-
Affected
Realtek
Search vendor "Realtek"
Usdk
Search vendor "Realtek" for product "Usdk"
2.0
Search vendor "Realtek" for product "Usdk" and version "2.0"
-
Affected
Realtek
Search vendor "Realtek"
Usdk
Search vendor "Realtek" for product "Usdk"
2.2
Search vendor "Realtek" for product "Usdk" and version "2.2"
-
Affected
Realtek
Search vendor "Realtek"
Xpon Software Development Kit
Search vendor "Realtek" for product "Xpon Software Development Kit"
1.9
Search vendor "Realtek" for product "Xpon Software Development Kit" and version "1.9"
-
Affected
Realtek
Search vendor "Realtek"
Xpon Software Development Kit
Search vendor "Realtek" for product "Xpon Software Development Kit"
3.3
Search vendor "Realtek" for product "Xpon Software Development Kit" and version "3.3"
-
Affected
Realtek
Search vendor "Realtek"
Xpon Software Development Kit
Search vendor "Realtek" for product "Xpon Software Development Kit"
4.0
Search vendor "Realtek" for product "Xpon Software Development Kit" and version "4.0"
-
Affected
Realtek
Search vendor "Realtek"
Xpon Software Development Kit
Search vendor "Realtek" for product "Xpon Software Development Kit"
4.1
Search vendor "Realtek" for product "Xpon Software Development Kit" and version "4.1"
-
Affected