CVE-2013-10064

CRITICAL

ActFax Server <5.01 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2013-10064. PoCs published by Craig Freyman, Craig Freyman, corelanc0d3r, juan vazquez, including Metasploit module exploits/windows/misc/actfax_raw_server_bof.

AI-analyzed exploit summary This Metasploit module exploits a buffer overflow in ActFax Server 5.01 RAW server via malformed data fields (@F506, @F605, @F000). It uses a staged payload with alphanumeric encoding and a custom getPC routine to achieve remote code execution.

Description

A stack-based buffer overflow vulnerability exists in ActFax Server version 5.01. The server's RAW protocol interface fails to safely process user-supplied data in @F506 fax header fields due to insecure usage of strcpy. Remote attackers can exploit this vulnerability by sending specially crafted @F506 fields, potentially leading to arbitrary code execution. Successful exploitation requires network access to TCP port 4559 and does not require authentication.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Craig Freyman · rubyremotewindows
https://www.exploit-db.com/exploits/24467

This Metasploit module exploits a buffer overflow in ActFax Server 5.01 RAW server via malformed data fields (@F506, @F605, @F000). It uses a staged payload with alphanumeric encoding and a custom getPC routine to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ActFax Server 5.01
No auth needed
Prerequisites: Network access to ActFax RAW server (port 0) · ActFax Server 5.01 with RAW server enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by Craig Freyman, corelanc0d3r, juan vazquez · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/actfax_raw_server_bof.rb

This Metasploit module exploits a buffer overflow vulnerability in ActFax 5.01 RAW Server by sending a maliciously crafted @F506 field, leading to remote code execution. The exploit leverages a strcpy-based overflow and includes a custom payload with specific bad character avoidance and encoder options.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ActFax Server 5.01
No auth needed
Prerequisites: Network access to the ActFax RAW Server · ActFax 5.01 running on a vulnerable system (e.g., Windows XP SP3)
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Scores

CVSS v4 9.3
EPSS 0.0130
EPSS Percentile 66.7%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-121
Status published
Products (1)
ActFax Communication/ActFax Server 5.01
Published Aug 05, 2025
Tracked Since Feb 18, 2026