CVE-2024-20459

CVE-2024-20459 describes a high-severity vulnerability in the web-based management interface of Cisco ATA 190 Multiplatform Series Analog Telephone Adapters (ATA 191 and ATA 192). This flaw, stemming from insufficient input sanitization, allows an authenticated, remote attacker with high privileges to execute arbitrary commands as the root user on the underlying operating system. With a CVSS score of 7.2 (HIGH), the vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage.