CVE-2025-43991: supportassist for — Fix

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.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-61 CWE-61

Affected Products

Vendor	Product	Versions
dell	supportassist_for_business_pcs	< 4.5.3.25254
dell	supportassist_for_home_pcs	< 4.8.2.29006

References

Advisories & Patches

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-vulnerabilities

Frequently Asked Questions

What is CVE-2025-43991? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-43991? +

CVE-2025-43991 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-43991? +

CVE-2025-43991 affects products from dell, specifically: supportassist_for_business_pcs, supportassist_for_home_pcs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43991? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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