CVE-2025-34332: AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web admi

Q: How do I fix CVE-2025-34332?

fax server: upgrade to newer than 2.6.23; interactive voice response: upgrade to newer than 2.6.23. Exact commands for each OS are on this page.

Q: Is CVE-2025-34332 being exploited?

CVE-2025-34332 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-34332 affect?

CVE-2025-34332 affects fax server, interactive voice response. Severity is high (CVSS 7.8). AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component that controls back-end Windows services using helper batch scripts located under C:\\F2MAdmin\\F2E\\AudioCode

Q: How urgent is CVE-2025-34332?

Priority 35/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2025-34332 is a high-severity flaw (CVSS 7.8) affecting fax server, interactive voice response. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component that controls back-end Windows services using helper batch scripts located under C:\\F2MAdmin\\F2E\\AudioCodes_files\\utils\\Services. When certain service actions are requested through ajaxPost.php, these scripts are invoked by PHP using system() under the NT AUTHORITY\\SYSTEM account. The batch files in this directo

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-276
Published	2025-11-19
Last modified	2026-10-18

Publisher (CNA): VulnCheck · Vendor: audiocodes

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-19 17:15 UTCPublished CVE record published
2026-10-18 20:10 UTCUpdated Record last modified

audiocodes fax server UPGRADE

Affected: <= 2.6.23

Fixed in: newer than 2.6.23

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fax-server || rpm -q fax-server || fax-server --version

2. UPGRADE to newer than 2.6.23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fax-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fax-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

audiocodes interactive voice response UPGRADE

Affected: <= 2.6.23

Fixed in: newer than 2.6.23

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy interactive-voice-response || rpm -q interactive-voice-response || interactive-voice-response --version

2. UPGRADE to newer than 2.6.23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade interactive-voice-response

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade interactive-voice-response

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-34332?

fax server: upgrade to newer than 2.6.23; interactive voice response: upgrade to newer than 2.6.23. Exact commands for each OS are on this page.

Is CVE-2025-34332 being exploited?

CVE-2025-34332 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-34332 affect?

CVE-2025-34332 affects fax server, interactive voice response. Severity is high (CVSS 7.8). AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 include a web administration component that controls back-end Windows services using helper batch scripts located under C:\\F2MAdmin\\F2E\\AudioCode

How urgent is CVE-2025-34332?

Priority 35/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities · Windows vulnerabilities

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References

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