CVE-2008-6669

nweb2fax <= 0.2.7 - Remote Code Execution via viewrq.php var_filename Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-6669. PoCs published by dun.

AI-analyzed exploit summary This exploit demonstrates multiple vulnerabilities in nweb2fax <= 0.2.7, including Local File Inclusion (LFI), Arbitrary File Download, and Remote Command Execution (RCE) via improper input validation in PHP scripts. The RCE is achieved through command injection in the `viewrq.php` script when handling the `format` and `var_filename` parameters.

Description

viewrq.php in nweb2fax 0.2.7 and earlier allows remote attackers to execute arbitrary code via shell metacharacters in the var_filename parameter in a (1) tif or (2) pdf format action.

Exploits (1)

exploitdb WORKING POC VERIFIED
by dun · textwebappsphp
https://www.exploit-db.com/exploits/5856

This exploit demonstrates multiple vulnerabilities in nweb2fax <= 0.2.7, including Local File Inclusion (LFI), Arbitrary File Download, and Remote Command Execution (RCE) via improper input validation in PHP scripts. The RCE is achieved through command injection in the `viewrq.php` script when handling the `format` and `var_filename` parameters.

Classification
Working Poc 95%
Attack Type
Rce | Info Leak
Complexity
Trivial
Reliability
Reliable
Target: nweb2fax <= 0.2.7
No auth needed
Prerequisites: Network access to the target application · nweb2fax application running with vulnerable version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5856
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/29804
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/43174

Scores

EPSS 0.0423
EPSS Percentile 89.7%

Details

CWE
CWE-78
Status published
Products (7)
dirk_bartley/nweb2fax 0.1
dirk_bartley/nweb2fax 0.2
dirk_bartley/nweb2fax 0.2.1
dirk_bartley/nweb2fax 0.2.4
dirk_bartley/nweb2fax 0.2.5
dirk_bartley/nweb2fax 0.2.6
dirk_bartley/nweb2fax < 0.2.7
Published Apr 08, 2009
Tracked Since Feb 18, 2026