Auth bypass in Comet System H3531
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."
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.014 · change: +0.002
Affected products
- Comet System H3531 — versions 1.60
- Comet System P8510 — versions 1.60
- Comet System P8552 — versions 1.60
- Comet System T0510 — versions 1.60
- Comet System T3510 — versions 1.60
- Comet System T3511 — versions 1.60
- Comet System T4511 — versions 1.60
- Comet System T6640 — versions 1.60
- Comet System T7511 — versions 1.60
- Comet System T7611 — versions 1.60
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry, mitigation)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/zeke2997/CVE_request_comet_system (related, Exploit, Third Party Advisory)
- github.com/zeke2997/CVE_request_comet_system (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-6763?
- CVE-2025-6763 is a high-severity vulnerability in Comet System H3531, classified under Improper Authentication. CVSS score: 8.1/10. Published 2025-06-27.
- How severe is CVE-2025-6763?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2025-6763 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.