CVE-2023-27229: Totolink a7100ru Firmware

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the upBw parameter at /setting/setWanIeCfg.

Affected products

• Totolink a7100ru Firmware: version 7.4cu.2313_b20191024 only

Published 2023-03-28. Last modified 2026-06-17.