Belkin F9K Buffer Overflow Vulnerabilities
2026-04-06
Stack-based buffer overflow in Belkin F9K1015 wireless router firmware 1.00.10 enables authenticated remote attackers to achieve complete device compromise via the formSetFirewall firewall configuration function. The vulnerability has publicly available exploit code and carries an EPSS exploitation probability that warrants attention, though no active exploitation has been confirmed by CISA KEV at time of analysis. The vendor (Belkin) was notified but did not respond, leaving legacy hardware users without an official remediation path.
Stack-based buffer overflow in Belkin F9K1122 router firmware 1.00.33 enables authenticated remote attackers to achieve full device compromise via crafted 'webpage' parameter in formWlanSetup function. Publicly available exploit code exists, and EPSS data suggests low-probability targeting despite critical CVSS 8.8 severity. Vendor non-responsive to disclosure; no patch released.