CVE-2025-43979

HIGH EPSS 91.1%
Published Aug 5, 202510mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 3.1
High
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Published Aug 5, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
7.4
Exploitability
2.2
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
91.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

References 2

  • github.com https://github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43979.txt
  • github.com https://github.com/actuator/cve/tree/main/Firstnum

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.