CVE-2008-6668

EXPLOITED NUCLEI

nweb2fax <= 0.2.7 - Path Traversal via id or var_filename Parameter

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2008-6668 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including dun. A Nuclei detection template is also available.

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

Multiple directory traversal vulnerabilities in nweb2fax 0.2.7 and earlier allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) id parameter to comm.php and (2) var_filename parameter to viewrq.php.

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 →

Nuclei Templates (1)

nweb2fax <=0.2.7 - Local File Inclusion
MEDIUMby geeknik

References (4)

Core 4
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_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/43173
Exploit 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/43172

Scores

EPSS 0.0057
EPSS Percentile 69.3%

Details

VulnCheck KEV 2024-09-19
CWE
CWE-22
Status published
Products (2)
dirk_bartley/nweb2fax 0.2
dirk_bartley/nweb2fax < 0.2.7
Published Apr 08, 2009
Tracked Since Feb 18, 2026