9.9

CVE-2025-1782: avantfax Code Injection

CVSS: 9.9v3.1CriticalAnalyzed
Published 14-04-2025Last modified 27-07-2026
Open JSON

Vulnerability summary

CVE-2025-1782 is a critical (CVSS 9.9) Code Injection vulnerability in avantfax. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.9/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.55%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-04-2025
    PublishedVulnerability first disclosed.
  2. 27-07-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

+0.01 pp

From 0.54% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ifax2 products
  • avantfax< 3.3.* | ≥ 3.4.0, < 3.4.1
  • hylafax< 1.1.* | ≥ 1.2.0, < 1.2.1 | < 1.2.1 | ≥ 1.3.0, < 1.3.2
Avantfax1 product

2 vendors · 3 products

References

1 links