Stack-Based Buffer Overflow in TOTOLINK T10_v2 5.9c.5061_B20200511's setStaticDhcpConfig in /lib/cste_modules/lan.so

CVE-2023-40042 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

TOTOLINK T10_v2 5.9c.5061_B20200511 has a stack-based buffer overflow in setStaticDhcpConfig in /lib/cste_modules/lan.so. Attackers can send crafted data in an MQTT packet, via the comment parameter, to control the return address and execute code.

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