CVE-2025-6763: h3531 Auth Bypass — Exploit

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."

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
cometsystem	t7611_firmware	All
cometsystem	t7611	All
cometsystem	t4511_firmware	All
cometsystem	t4511	All
cometsystem	t0510_firmware	All
cometsystem	t0510	All
cometsystem	t6640_firmware	All
cometsystem	t6640	All
cometsystem	t3510_firmware	All
cometsystem	t3510	All
cometsystem	t7511_firmware	All
cometsystem	t7511	All
cometsystem	t3511_firmware	All
cometsystem	t3511	All
cometsystem	p8510_firmware	All
cometsystem	p8510	All
cometsystem	p8552_firmware	All
cometsystem	p8552	All
cometsystem	h3531_firmware	All
cometsystem	h3531	All

References

Exploits

https://github.com/zeke2997/CVE_request_comet_system https://github.com/zeke2997/CVE_request_comet_system#poc https://github.com/zeke2997/CVE_request_comet_system

Other References

https://vuldb.com/?ctiid.314074 https://vuldb.com/?id.314074 https://vuldb.com/?submit.599848

Frequently Asked Questions

What is CVE-2025-6763? +

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." It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2025-6763? +

CVE-2025-6763 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6763? +

CVE-2025-6763 affects products from cometsystem, specifically: h3531, h3531_firmware, p8510, p8510_firmware, p8552, p8552_firmware, t0510, t0510_firmware, t3510, t3510_firmware, t3511, t3511_firmware, t4511, t4511_firmware, t6640, t6640_firmware, t7511, t7511_firmware, t7611, t7611_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6763? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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