Totolink - A720r - CRITICAL - CVE-2026-82539. A vulnerability exists in the TOTOLINK A720R router due to improper handling of the 'desc' argument in the MAC Filtering functionality within the cstecgi.cgi file. This flaw can be exploited remotely, allowing attackers to manipulate memory and potentially execute malicious code. The vulnerability has been publicly disclosed, and affected users should apply appropriate security measures to mitigate the risks associated with potential exploitation. BADGES: 👾 EXPLOITED | 🟡 PoC | SecurityVulnerability.io