meterN 1.2.3 Authenticated Remote Code Execution via Admin Scripts

Advisories

severity: high
date: December 31, 2025
Affecting: meterN 1.2.3 and 0.8.3.2
CVE: CVE-2021-47747
CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS: 8.6
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-50596
Archived Vendor Homepage
Zero Science Lab Disclosure (ZSL-2021-5690)
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: meterN 1.2.3 contains an authenticated remote code execution vulnerability in admin_meter2.php and admin_indicator2.php scripts. Attackers can exploit the 'COMMANDx' and 'LIVECOMMANDx' POST parameters to execute arbitrary system commands with administrative privileges.