CVE-2023-41561: Tenda AC5 Firmware

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Tenda AC9 V3.0 V15.03.06.42_multi and Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 were discovered to contain a stack overflow via parameter startIp and endIp at url /goform/SetPptpServerCfg.

Affected products

• Tenda AC5 Firmware: version 15.03.06.28 only
• Tenda AC9 Firmware: version 15.03.06.42_multi only

Published 2023-08-30. Last modified 2026-06-17.