CVE-2025-43991

Name: CVE-2025-43991
Creator: NVD / NIST
Published: 2025-10-13T15:16:04.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2025-43991 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. SupportAssist for Home PCs versions 4.8.2 and prior and SupportAssist for Business PCs versions 4.5.3 and prior, contain an UNIX Symbolic Link (Symlink) following vulnerability. A low privileged attacker with local access to the system could potentially exploit this vulnerability to delete arbitrary files only in that affected system.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

SupportAssist for Home PCs versions 4.8.2 and prior and SupportAssist for Business PCs versions 4.5.3 and prior, contain an UNIX Symbolic Link (Symlink) following vulnerability. A low privileged attacker with local access to the system could potentially exploit this vulnerability to delete arbitrary files only in that affected system.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.12%

2.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-61

Affected Software

Vendor	Product	Versions
Dell	Supportassist For Business Pcs	< 4.5.3.25254
Dell	Supportassist For Home Pcs	< 4.8.2.29006

References

https://www.dell.com/support/kbdoc/en-us/000378367/dsa-2025-362-security-update-for-dell-supportassist-for-home-pcs-and-dell-supportassist-for-business-pcs-vulnerabilitiesVendor Advisory

Timeline

Published: Oct 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43991?

How severe is CVE-2025-43991?

CVE-2025-43991 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43991?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST