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CVE-2024-20458

Cisco ATA 190 Series - Web-based Management Interface

Cisco CVSS 8.2 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the web-based management interface of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to view or delete the configuration or change the firmware on an affected device. This vulnerability is due to a lack of authentication on specific HTTP endpoints, allowing an attacker to exploit it by browsing to a specific URL."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco ATA 190 Series Firmware
Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Potential disruption to phone services

Internal Work Notes

CVE-2024-20458: Unauthenticated remote attacker can view or delete configuration or change firmware on Cisco ATA 190 Series devices due to lack of authentication on specific HTTP endpoints.

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.