Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TP-Link TP-Link EX20v AX1800, Tp-Link Archer C5v AC1200, Tp-Link TD-W9970, Tp-Link TD-W9970v3, TP-Link VX220-G2u, TP-Link VN020-G2u allows authenticated OS Command Injection.This issue affects TP-Link EX20v AX1800, Tp-Link Archer C5v AC1200, Tp-Link TD-W9970, Tp-Link TD-W9970v3 : through 20240328. Also  the vulnerability continues in the TP-Link VX220-G2u and TP-Link VN020-G2u models due to the products not being produced and supported.