Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2006-3126

20
FAUCET Score

CVE-2006-3126 describes a critical command injection vulnerability in c2faxrecv within capi4hylafax version 01.02.03. This flaw allows remote attackers to execute arbitrary commands by injecting null and shell metacharacters into the TSI string of an incoming fax, even from an anonymous number. With a CVSS score of 7.5, this vulnerability presents a high risk due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
01.02.03CPE matchmatch criteria
cpe:2.3:a:julian_pawlowski:capi4hylafax:01.02.03:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.70%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0270 is in the 72nd percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
Patch
secunia.com / advisories/21722
PatchVendor Advisory
secunia.com / advisories/21726
PatchVendor Advisory
secunia.com / advisories/22450
security.gentoo.org / glsa/glsa-200610-05.xml
debian.org / security/2006/dsa-1165
novell.com / linux/security/advisories/2007_4_sr.html
securityfocus.com / bid/19801
vupen.com / english/advisories/2006/3430