VAR-201912-2011
Vulnerability from variot - Updated: 2022-05-04 09:09ZLAN5103 can realize transparent data forwarding between RS232 / 485/422 and TCP / IP. Conveniently make serial devices connect to Ethernet and Internet, and realize the network upgrade of serial devices.
There is a denial of service vulnerability in ZLAN. Sending malformed RST packets to ZLAN5103 TCP 4196 port will cause denial of service on ZLAN5103 TCP 4196 and TCP 80 ports. The device needs to be powered off and restarted to recover. An attacker can use the vulnerability to launch a denial of service attack.
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