Description
An exploitable command injection vulnerability exists in the iocheckd service ‘I/O-Check’ function of the WAGO PFC 200 version 03.02.02(14). An attacker can send a specially crafted XML cache file At 0x1e8a8 the extracted domainname value from the xml file is used as an argument to /etc/config-tools/edit_dns_server domain-name=<contents of domainname node> using sprintf().This command is later executed via a call to system().
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wago | WAGO PFC200 Firmware | version 03.02.02(14) | — |
Advisories 1
- VDE-2020-011 WAGO: Multiple Vulnerabilities in I/O-Check Service CERT@VDE · May 22, 2025