AUGUST 4, 2026
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Case File

CVE-2025-34328

CRITICAL · CVSS 9.8 EPSS 0.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-11-19 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Windows. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2025-34328
Severity
CRITICAL
CVSS
9.8
EPSS
0.69%
Windows

Original NVD Description

AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component (F2MAdmin) that exposes an unauthenticated script-management endpoint at AudioCodes_files/utils/IVR/diagram/ajaxScript.php. The saveScript action writes attacker-supplied data directly to a server-side file path under the privileges of the web service account, which runs as NT AUTHORITY\\SYSTEM on Windows deployments. A remote, unauthenticated attacker can write arbitrary files into the product’s web-accessible directory structure and subsequently execute them.

Related CVEs

Other vulnerabilities affecting the same vendor(s)