Vulnerability Details : CVE-2022-40740
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.
Products affected by CVE-2022-40740
- cpe:2.3:a:realtek:xpon_software_development_kit:3.3:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:xpon_software_development_kit:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:xpon_software_development_kit:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:xpon_software_development_kit:1.9:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:usdk:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:usdk:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:realtek:usdk:2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-40740
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-40740
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
TWCERT/CC |
CWE ids for CVE-2022-40740
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- twcert@cert.org.tw (Secondary)
References for CVE-2022-40740
-
https://www.twcert.org.tw/tw/cp-132-6831-19121-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報-Realtek GPON router - Command InjectionThird Party Advisory;VDB Entry
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