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CVE-2023-20126

CRITICAL CVSS: 9.8 Published: 2023-05-04 Modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco SPA112 2-Port Phone Adapters could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to a missing authentication process within the firmware upgrade function. An attacker could exploit this vulnerability by upgrading an affected device to a crafted version of firmware. A successful exploit could allow the attacker to execute arbitrary code on the affected device with full privileges. Cisco has not released firmware updates to address this vulnerability.

Affected Platforms

Cisco Spa112Cisco Spa112 Firmware

Weakness Type

CWE-306, CWE-306

References