CVE-2025-34329

🗓️ 19 Nov 2025 16:23:09Reported by VulnCheckType

cve🔗 web.nvd.nist.gov👁 17 Views🌐 WEB

Unauthenticated backup upload enables code execution on AudioCodes Fax/IVR appliances up to version 2.6.23.

Reporter	Title	Published	Views	Family All 11
Circl	CVE-2025-34329	19 Nov 202517:36	–	circl
CNNVD	AudioCodes Fax Server 安全漏洞	19 Nov 202500:00	–	cnnvd
Cvelist	CVE-2025-34329 AudioCodes Fax/IVR Appliance <= 2.6.23 Unauthenticated Backup Upload RCE via ajaxBackupUploadFile.php	19 Nov 202516:23	–	cvelist
EUVD	EUVD-2025-198202	19 Nov 202516:23	–	euvd
NVD	CVE-2025-34329	19 Nov 202517:15	–	nvd
OSV	CVE-2025-34329	19 Nov 202517:15	–	osv
Packet Storm	📄 AudioCodes Fax/IVR Appliance 2.6.23 File Upload / Code Execution / Privilege Escalation	20 Nov 202500:00	–	packetstorm
Packet Storm News	AudioCodes Fax/IVR Appliance 2.6.23 Scanner	21 Nov 202500:00	–	packetstormnews
Positive Technologies	PT-2025-47478	19 Nov 202500:00	–	ptsecurity
RedhatCVE	CVE-2025-34329	20 Nov 202521:36	–	redhatcve

NVD

Vulners

CNA

Node

audiocodes fax_serverRange≤2.6.23

audiocodes interactive_voice_responseRange≤2.6.23

[
  {
    "defaultStatus": "unknown",
    "product": "AudioCodes Fax/IVR Appliance",
    "vendor": "AudioCodes Limited",
    "versions": [
      {
        "lessThanOrEqual": "2.6.23",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

Source	Link
pierrekim	www.pierrekim.github.io/advisories/2025-audiocodes-fax-ivr.txt
audiocodes	www.audiocodes.com/media/g1in2u2o/0548-product-notice-end-of-service-for-audiocodes-auto-attendant-ivr-solution.pdf
pierrekim	www.pierrekim.github.io/blog/2025-11-20-audiocodes-fax-ivr-8-vulnerabilities.html
vulncheck	www.vulncheck.com/advisories/audiocodes-fax-ivr-appliance-unauthenticated-backup-upload-rce-via-ajaxbackupuploadfile

Parameter	Position	Path	Description	CWE
fileToUpload	binary	/AudioCodes_files/ajaxBackupUploadFile.php	Pre-authenticated file upload to backup folder (could overwrite/place executable content in backup path).	CWE-434
action	request body	/AudioCodes_files/utils/IVR/diagram/ajaxScript.php	Pre-authenticated remote file write via insecure write to SystemStatus scripts dir, enabling webshell deployment and remote code execution.	CWE-434
name	request body	/AudioCodes_files/utils/IVR/diagram/ajaxScript.php	Pre-authenticated remote file write via insecure write to SystemStatus scripts dir, enabling webshell deployment and remote code execution.	CWE-434
value	request body	/AudioCodes_files/utils/IVR/diagram/ajaxScript.php	Pre-authenticated remote file write via insecure write to SystemStatus scripts dir, enabling webshell deployment and remote code execution.	CWE-434
fileToUpload	binary	/AudioCodes_files/utils/IVR/diagram/ajaxPromptUploadFile.php	Pre-authenticated file read/write vulnerability enabling arbitrary file upload to a writable tmp folder.	CWE-434
baseDir	query param	/AudioCodes_files/download.php	Pre-authenticated file read allowing download of backup files containing sensitive data.	CWE-434
f	query param	/AudioCodes_files/download.php	Pre-authenticated file read allowing download of backup files containing sensitive data.	CWE-434
uploadedfile	binary	/F2MAdmin/F2E/AudioCodes_files/ActivateLicense.php	Post-authenticated file upload with unsanitized filename leading to command execution via crafted extension.	CWE-434

17 Jun 2026 09:13Current

7.1High risk

Vulners AI Score7.1

CVSS 3.19.8

CVSS 49.3

EPSS0.01017

SSVC

CWE-434