CyberSecBulletin
CVE-2025-0286NVD status: Analyzed

Partition Manager: Improper Validation of Specified Quantity in Input

Published Updated By the CyberSecBulletin desk

CVE-2025-0286 is a high-severity improper validation of specified quantity in input vulnerability in Partition Manager from Paragon Software, with a CVSS 3.1 base score of 8.4 out of 10. It can be exploited with local access to the system by an unauthenticated attacker, without any action from a user. Affected Partition Manager versions: 15 through 17.39. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.37% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Partition Manager you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on paragon-software.zendesk.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Paragon SoftwarePartition Manager15 through 17.39Not stated
Paragon SoftwareHard Disk Manager15 through 17.39Not stated
Paragon SoftwareBackup and Recovery15 through 17.39Not stated
Paragon SoftwareDrive Copy15 through 16Not stated
Paragon SoftwareDisk Wiper15 through 16Not stated
Paragon SoftwareMigrate OS to SSD4 through 5Not stated
Paragon-softwareParagon Backup & Recovery15 through 17.39Not stated
Paragon-softwareParagon Disk Wiper15 through 16Not stated
Paragon-softwareParagon Drive Copy15 through 16Not stated
Paragon-softwareParagon Hard Disk Manager15 through 17.39Not stated
Paragon-softwareParagon Migrate OS To Ssd4 through 5Not stated
Paragon-softwareParagon Partition Manager15 through 17.39Not 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
LocalThe attacker needs local access or must trick a user into running something.
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:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).

Official description

Various Paragon Software products contain an arbitrary kernel memory write vulnerability within biontdrv.sys that is caused by a failure to properly validate the length of user supplied data, which can allow an attacker to execute arbitrary code on the victim machine.

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

The underlying weakness: Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

More Improper Validation of Specified Quantity in Input vulnerabilities (CWE-1284)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in Partition Manager

All Partition Manager vulnerabilities

Recent Improper Validation of Specified Quantity in Input vulnerabilities

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