Critical · published November 15, 2025
🚨 A small tweak in the Password argument can unleash a stack-based buffer overflow in D-Link DIR-816L devices — your router could become a hacker's playground! 🔥 Think of it like a poorly secured restaurant where anyone could slip a fake order into the kitchen, overwhelming the staff with unwanted dishes. If the staff isn't careful, it could lead to chaos in the back! An attacker could exploit this vulnerability to execute malicious code remotely, potentially compromising your entire network. Since this flaw affects unsupported products, many users may not even be aware they're at risk, leaving their devices wide open for exploitation. This could lead to unauthorized access and serious data breaches.
Think of it like a poorly secured restaurant where anyone could slip a fake order into the kitchen, overwhelming the staff with unwanted dishes. If the staff isn't careful, it could lead to chaos in the back! This CVE allows for a stack-based buffer overflow through manipulation of the Password argument within the /authentication.cgi file of the D-Link DIR-816L firmware. The overflow can lead to remote code execution with the right conditions, putting users at significant risk.
An attacker could exploit this vulnerability to execute malicious code remotely, potentially compromising your entire network. Since this flaw affects unsupported products, many users may not even be aware they're at risk, leaving their devices wide open for exploitation. This could lead to unauthorized access and serious data breaches. Immediately consider replacing the affected D-Link DIR-816L device with a supported model. If replacement isn't feasible, ensure your network is isolated and monitor for any suspicious activity. Regularly check for firmware updates, though this specific model is no longer supported and unlikely to receive any. You've got this! Protecting your network is within reach — just take these steps to keep everything secure! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| dlink/dir-816l_firmware | all versions | — |