CVE-2025-34328 is a critical unauthenticated arbitrary file upload vulnerability affecting AudioCodes Fax Server and Auto-Attendant IVR appliances up to version 2.6.23. An attacker can exploit a script-management endpoint to write arbitrary files to the web-accessible directory, leading to remote code execution as NT AUTHORITY\SYSTEM on Windows deployments. This vulnerability has a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV entry, the vulnerability has garnered some community discussion, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.6.23CPE matchmatch criteria | cpe:2.3:a:audiocodes:fax_server:*:*:*:*:*:*:*:* | ||
<= 2.6.23CPE matchmatch criteria | cpe:2.3:a:audiocodes:interactive_voice_response:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.