##################################### Title:- Reflected XSS vulnarbility in Asus RT-N10 Plus router Author: Kaustubh G. Padwad Product: ASUS Router RT-N10 Plus Firmware: 2.1.1.1.70 Severity: Medium Auth: Requierd # Description: Vulnerable Parameter: flag= # Vulnerability Class: Cross Site Scripting (https://www.owasp.org/index.php/Top_10_2013-A3-Cross-Site_Scripting_(XSS)) # About Vulnerability: Asus Router RT-N10 Plus with firmware 2.1.1.70 is vulnarable for crosss site scripting attack,this may cause a huge network compemise. #Technical Details: The value of the flag request parameter is copied into a JavaScript string which is encapsulated in single quotation marks. The payload initial78846%27%3balert("Hacked_BY_S3curity_B3ast")%2f%2f372137b5d was submitted in the flag parameter. This input was echoed unmodified in the application's response. #Steps to Reproduce: (POC): After setting up router Enter this URL 1.http://ip-of-router/result_of_get_changed_status.asp?current_page=&sid_list=LANGUAGE%3B&action_mode=+App ly+&preferred_lang=&flag=initial78846%27%3balert(1337)%2f%2f372137b5d 2. this will ask for creadintial once creatintial enterd it will be successfull XSS # Disclosure: 8-jan-2015 Repoerted to ASUS 9-jan-2015 Asus confirm that they reported to concern department 15-jan-2015 Ask for update from asus asus says reported to HQ 28-jan-2015 Ask asus about reporting security foucus No reply from ASUS 29-jan-2015 security focus bugtraq #credits: Kaustubh Padwad Information Security Researcher kingkaustubh@me.com https://twitter.com/s3curityb3ast http://breakthesec.com https://www.linkedin.com/in/kaustubhpadwad