What is CVE-2025-43991?

CVE-2025-43991 is a medium-severity vulnerability in Dell Supportassist For Business Pcs, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.3/10. Published 2025-10-13.

How severe is CVE-2025-43991?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2025-43991 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Dell Supportassist For Business Pcs

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 cou…

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Dell Supportassist For Business Pcs — versions N/A
Dell Supportassist_for_business_pcs
Dell Supportassist For Home Pcs — versions N/A
Dell Supportassist_for_home_pcs

Weakness classification (CWE)

CWE-61 — UNIX Symbolic Link (Symlink) Following

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security_alert@emc.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43991?: CVE-2025-43991 is a medium-severity vulnerability in Dell Supportassist For Business Pcs, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.3/10. Published 2025-10-13.
How severe is CVE-2025-43991?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-43991 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.