How severe is CVE-2025-43991?

CVE-2025-43991 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2025-43991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43991?

CVE-2025-43991 primarily affects Dell Supportassist For Business Pcs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43991?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43991 have an EU (EUVD) identifier?

Yes. CVE-2025-43991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34066.

When was CVE-2025-43991 published?

CVE-2025-43991 was published on 2025-10-13 and last updated on 2026-06-17.

CVE-2025-43991

CVE-2025-43991 is a medium-severity vulnerability in Dell Supportassist For Business Pcs with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-61.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34066
Weakness: CWE-61
Affected product: Dell Supportassist For Business Pcs
Published: 2025-10-13
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-43991?: CVE-2025-43991 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2025-43991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43991?: CVE-2025-43991 primarily affects Dell Supportassist For Business Pcs. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-43991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43991 have an EU (EUVD) identifier?: Yes. CVE-2025-43991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34066.
When was CVE-2025-43991 published?: CVE-2025-43991 was published on 2025-10-13 and last updated on 2026-06-17.

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-vulnerabilities

Affected products (2)

cpe:2.3:a:dell:supportassist_for_business_pcs:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*

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