CVE-2025-6763: Cometsystem h3531 Firmware

High severity, CVSS 8.1. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability was found in Comet System T0510, T3510, T3511, T4511, T6640, T7511, T7611, P8510, P8552 and H3531 1.60. Affected by this issue is some unknown functionality of the file /setupA.cfg of the component Web-based Management Interface. Performing manipulation results in missing authentication. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The exploit has been made public and could be used. There are still doubts about whether this vulnerability truly exists. The vendor explains, that "[d]evices described at CVE are not intended to be exposed into internet and proper security of devices is to end-users."

Affected products

• Cometsystem h3531 Firmware: version 9-5-0-1.1327 only
• Cometsystem p8510 Firmware: version 4-5-8-0.3488 only
• Cometsystem p8552 Firmware: version 4-5-8-1.3502 only
• Cometsystem t0510 Firmware: version 1-5-7-5.1252 only
• Cometsystem t3510 Firmware: version 1-5-7-5.1252 only
• Cometsystem t3511 Firmware: version 1-5-7-2.1151 only
• Cometsystem t4511 Firmware: version 1-5-7-5.1252 only
• Cometsystem t6640 Firmware: version 1-5-7-5.1252 only
• Cometsystem t7511 Firmware: version 1-5-7-5.1251 only
• Cometsystem t7611 Firmware: version 1-5-7-5.1252 only

Published 2025-06-27. Last modified 2026-06-17.