Lyrie
Active Exploitation
ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·11/3/2021

CVE-2021-31755 added to CISA KEV: Tenda AC11 Router

Status: ✅ Confirmed exploited in the wild

Date added: 2021-11-03

Required action: Apply updates per vendor instructions.

Due date: 2021-11-17

Why this matters

Tenda AC11 devices contain a stack buffer overflow vulnerability in /goform/setmac which allows attackers to execute code via a crafted post request.

Sources

Lyrie Verdict

Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.