CyberSecBulletin
CVE-2025-39596NVD status: Deferred

Quentn WP: Weak Authentication

CVE-2025-39596 is a critical-severity weak authentication vulnerability in Quentn WP from Quentn.com, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Quentn WP versions: 1.2.8 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.6% chance of exploitation within 30 days, which is low compared with other CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Quentn WP you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Quentn.comQuentn WP1.2.8 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (patchstack.com).

Official description

Weak Authentication vulnerability in Quentn.com GmbH Quentn WP quentn-wp allows Privilege Escalation.This issue affects Quentn WP: from n/a through <= 1.2.8.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Weak Authentication

The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.

More Weak Authentication vulnerabilities (CWE-1390)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Quentn WP

All Quentn WP vulnerabilities

Recent Weak Authentication vulnerabilities

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