CVE-2025-6763: Cometsystem H3531 Firmware authentication bypass (CVSS 8.1)

Description

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."

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityHigh

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Cometsystem H3531 Firmware9-5-0-1.1327

Cometsystem P8510 Firmware4-5-8-0.3488

Cometsystem P8552 Firmware4-5-8-1.3502

Cometsystem T0510 Firmware1-5-7-5.1252

Cometsystem T3510 Firmware1-5-7-5.1252

Cometsystem T3511 Firmware1-5-7-2.1151

Cometsystem T4511 Firmware1-5-7-5.1252

Cometsystem T6640 Firmware1-5-7-5.1252

Cometsystem T7511 Firmware1-5-7-5.1251

Cometsystem T7611 Firmware1-5-7-5.1252

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://github.com/zeke2997/CVE_request_comet_systemExploitThird Party Advisory
https://github.com/zeke2997/CVE_request_comet_system#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.314074Permissions RequiredVDB Entry
https://vuldb.com/?id.314074Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.599848Third Party AdvisoryVDB Entry

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-6763 being actively exploited?

CVE-2025-6763 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.38%.

How severe is CVE-2025-6763?

CVE-2025-6763 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 1.38% probability of exploitation.

Which products are affected by CVE-2025-6763?

Affected products include Cometsystem H3531 Firmware, Cometsystem P8510 Firmware, Cometsystem P8552 Firmware, Cometsystem T0510 Firmware, Cometsystem T3510 Firmware, and 5 more.

How do I fix CVE-2025-6763?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-6763 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo