CVE-2025-65856: Authentication bypass vulnerability in Xiongmai XM530 IP cameras on Firmware V5.00.R02.000807D8.10010.346624.S

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-65856 is a critical-severity flaw (CVSS 9.8) affecting xm530v200 x6-weq 8m firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-306
Published	2025-12-22
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: xiongmaitech

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-22 22:16 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

xiongmaitech xm530v200 x6-weq 8m firmware MITIGATE

Affected: 5.00.r02.000807d8.10010.346624.s.onvif_21.06

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.00.r02.000807d8.10010.346624.s.onvif_21.06

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · amule · FIXED · 3.2.0-1.fc46 · FEDORA-2026-4feb2647b0 · source

sudo dnf upgrade --advisory=FEDORA-2026-4feb2647b0

Fedora ELN · mysql9.7 · FIXED · 9.7.4-3.eln159 · FEDORA-2026-ea1c50e49b · source

sudo dnf upgrade --advisory=FEDORA-2026-ea1c50e49b

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: LuisMirandaAcebedo/CVE-2025-65856 (3 stars)
GitHub PoC: KostasEreksonas/XM_ONVIF_auth_bypass (3 stars)
Write-up: luismirandaacebedo.github.io/CVE-2025-65856/

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65856?

xm530v200 x6-weq 8m firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65856 being exploited?

CVE-2025-65856 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65856 affect?

CVE-2025-65856 affects xm530v200 x6-weq 8m firmware. Severity is critical (CVSS 9.8). 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 impl

How urgent is CVE-2025-65856?

Priority 61/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-65857 HIGH 7.5 MITIGATE An issue was discovered in Xiongmai XM530 IP cameras on firmware V5.00.R02.000807D8.10010.346624.S.ONVIF 21.06

References

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