Look for a string like V1.0.4.8 or CAPM6000_K_XXX . If your version is more than 12 months old, it is likely outdated.
The (often stylized as CAPM-6000 or similar variants like CAPD-6000) is a router typically issued by the South Korean ISP LG U+. For enthusiasts, the "interesting" part of this hardware is its compatibility with custom open-source firmware, which can unlock features not available in the stock Korean interface. The Hardware Context Lg U- Wifi Capm-6000 Firmware
Protects your home network from new vulnerabilities and unauthorized access. Look for a string like V1