CVE-2025-39531Network attack vector

Unauthenticated service interruption

Published Apr 16, 2025 · Updated Apr 28, 2026

Missing authorization in Slazzer Background Changer 3.14 and earlier allows remote attackers to interrupt service via unspecified requests. Patchstack has not disclosed the affected function or endpoint or how an untrusted request reaches functionality without an authorization check. Network access is sufficient without an account or user interaction; the published record reports only limited availability impact and no failure mode.

CVSS severity5.3
Medium
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Slazzer Background Changer 3.14 and earlier allows remote attackers to interrupt service via unspecified requests. Patchstack has not disclosed the affected function or endpoint or how an untrusted request reaches functionality without an authorization check. Network access is sufficient without an account or user interaction; the published record reports only limited availability impact and no failure mode.

The record

CVE
CVE-2025-39531
Published
Apr 16, 2025
Updated
Apr 28, 2026
Vendor
Slazzer
Product
Slazzer Background Changer
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 16, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.14

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Slazzer · Slazzer Background Changerversion=0 <=3.14

Published CVSS scores

5.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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