CVE-2019-12704: Cisco SPA100 Series Analog Telephone Adapters Web-Based Management Interface File Disclosure Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-10-16 · updated 2026-06-17
Weakness: CWE-200

Description

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to view the contents of arbitrary files on an affected device. The vulnerability is due to improper input validation in the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to retrieve the contents of arbitrary files on the device, possibly resulting in the disclosure of sensitive information.

Affected products

Cisco Spa112 Firmware: before 1.4.1; 1.4.1, 1.4.1-sr1, 1.4.1-sr2, 1.4.1-sr3 — fixed in 1.4.1
Cisco SPA122 ATA with Router: before 1.4.1; 1.4.1, 1.4.1-sr1, 1.4.1-sr2, 1.4.1-sr3 — fixed in 1.4.1

How to fix

Upgrade to a fixed version: Cisco Spa112 Firmware 1.4.1; Cisco SPA122 ATA with Router 1.4.1. Check the vendor advisory for mitigations.

References

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