A remote command execution (RCE) vulnerability was discovered in all H3C ERG3/ERG5 series routers and XiaoBei series routers, cloud gateways, and wireless access points (versions R0162P07, UAP700-WPT330-E2265, UAP672-WPT330-R2262, UAP662E-WPT330-R2262P03, WAP611-WPT330-R1348-OASIS, WAP662-WPT330-R2262, WAP662H-WPT330-R2262, USG300V2-WPT330-R2129, MSG300-WPT330-R1350, and MSG326-WPT330-R2129). Attackers are able to exploit this vulnerability via injecting crafted commands into the sessionid parameter.