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vuln.sg Vulnerability Research Advisory

AceFTP FTP-Client Directory Traversal Vulnerability

by Tan Chew Keong
Release Date: 2008-06-27

TiTicosplay aka Titi Cosplay- Titi40511552 - A...   [en] [jp]

TiTicosplay aka Titi Cosplay- Titi40511552 - A... Summary

A vulnerability has been found within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.


TiTicosplay aka Titi Cosplay- Titi40511552 - A... Tested Versions
TiTicosplay aka Titi Cosplay- Titi40511552 - A... Details

This advisory discloses a vulnerability within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.

The FTP client does not properly sanitise filenames containing directory traversal sequences (forward-slash) that are received from an FTP server in response to the LIST command.

An example of such a response from a malicious FTP server is shown below.


Response to LIST (forward-slash):

-rw-r--r--    1 ftp      ftp            20 Mar 01 05:37 /../../../../../../../../../testfile.txt\r\n
 

By tricking a user to download a directory from a malicious FTP server that contains files with fowward-slash directory traversal sequences in their filenames, it is possible for the attacker to write files to arbitrary locations on a user's system with privileges of that user. An attacker can potentially leverage this issue to write files into a user's Windows Startup folder and execute arbitrary code when the user logs on.


TiTicosplay aka Titi Cosplay- Titi40511552 - A... POC / Test Code

Please download the POC here and follow the instructions below.

Titicosplay Aka Titi Cosplay- Titi40511552 - A... -

Through meticulous costume fabrication and a highly structured multi-platform business model, Titi Cosplay continues to expand her footprint as a prominent figure in the international modeling and costuming subculture.

@BLACQKL @DaFoer_ @Daguidiyi This Asuka is the cutest 😝😝 TiTi40511552 TiTi 钛合金(@titiloveu520) / Posts / X 11 Apr 2026 —

It is common for fans to search for "TiTicosplay archives." This refers to unauthorized collections of her paid content available on file-sharing sites, Reddit, or Discord.

Short videos, trend participation, and location-based highlights from Thailand. @TiTi40511552 TiTicosplay aka Titi Cosplay- Titi40511552 - A...

Entranced by the colorful costumes, the attention to detail, and the way these individuals brought characters to life, Titi knew she had to be a part of this world. She started small, crafting simple costumes and attending local events. However, her passion and creativity quickly propelled her into the spotlight of the cosplay community.

While many hobbyists focus strictly on the physical garment, Titi treats the craft as a holistic package. Her work seamlessly integrates: Accurate structural outfit construction Advanced wig styling and hair-sculpting techniques Complex character-specific makeup artistry High-tier photography lighting and studio editing

TiTi manages multiple accounts to separate her primary creative work from more casual or alternative content: Primary Portfolio : She uses a dedicated brand.page/TiTiloveu520 to centralize her social links and professional galleries. Social Platforms X (Twitter) While many hobbyists focus strictly on the physical

By maintaining standard social profiles alongside specialized direct-support hubs, creators can monetize their hobbies sustainably.

The digital landscape is highly competitive, with thousands of creators vying for the attention of fanbases. TiTicosplay stands out due to several distinct hallmarks embedded in her content production style: High-Production Photography and Lighting

Here’s a short creative piece inspired by (also known as Titi Cosplay , handle Titi40511552 ). 🔮 The Future of TiTicosplay

If you need to narrow down specific elements of this profile, let me know if you would like to explore:

Which (e.g., X, TikTok, Instagram) you are primarily trying to find them on?

While many of her roles originate from popular media, she also ventures into more niche and rare themes. For instance, she has been noted for a cosplay based on the mysterious Chinese fantasy tale, "Ghost Record" (道家《鬼神录》), bringing a rare subject to life with her detailed approach.

By utilizing mail rewards, customized messaging, and conversational updates on X, she actively responds to feedback, turning a passive viewing audience into an active community. 🔮 The Future of TiTicosplay


TiTicosplay aka Titi Cosplay- Titi40511552 - A... Patch / Workaround

Avoid downloading files/directories from untrusted FTP servers.


TiTicosplay aka Titi Cosplay- Titi40511552 - A... Disclosure Timeline

2008-06-15 - Vulnerability Discovered.
2008-06-16 - Vulnerability Details Sent to Vendor via online support form (no reply).
2008-06-18 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-25 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-27 - Public Release.


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