RCE in Avantfax
CVE-2025-1782
In HylaFAX Enterprise Web Interface and AvantFAX, the language form element is not properly sanitized before being used and can be misused to include an arbitrary file in the PHP code allowing an attacker to do anything as the web server user. This flaw requires the attacker to be authenticated with a valid user account.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.005 (41.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Avantfax
- Ifax Avantfax — versions 0, 3.4.0
- Ifax Hylafax — versions 0, 1.2.0, 1.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-1782?
- CVE-2025-1782 is a critical-severity vulnerability in Avantfax, classified under Code Injection. CVSS score: 9.9/10. Published 2025-04-14.
- How severe is CVE-2025-1782?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2025-1782 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.