What is CVE-2025-65856?

CVE-2025-65856 is a critical-severity vulnerability in Xiongmaitech Xm530v200 X6-Weq 8m, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-12-22.

How severe is CVE-2025-65856?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-65856 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Xiongmaitech Xm530v200 X6-Weq 8m

CVE-2025-65856

Authentication bypass vulnerability in Xiongmai XM530 IP cameras on Firmware V5.00.R02.000807D8.10010.346624.S.ONVIF 21.06 allows unauthenticated remote attackers to access sensitive device information and live video streams. The ONVIF implementation fails to enforce authentication on 31 critical endpoints, enabling direct unauthorized video stream access.

Vulnerability class: Broken Authentication

EPSS: 0.007 (49.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Xiongmaitech Xm530v200_x6-weq_8m
Xiongmaitech Xm530v200_x6-weq_8m_firmware — versions 5.00.r02.000807d8.10010.346624.s.onvif_21.06
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

cve@mitre.org (Not Applicable)
cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-65856?: CVE-2025-65856 is a critical-severity vulnerability in Xiongmaitech Xm530v200 X6-Weq 8m, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-12-22.
How severe is CVE-2025-65856?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-65856 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.