Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Lifecycle Timeline
2DescriptionCVE.org
An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the xml_action.cgi?method= endpoint.
AnalysisAI
An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the xml_action.cgi?method= endpoint. Version information: through 2.01.
Affected ProductsAI
See vendor advisory for affected versions.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today