What is CVE-2025-61554?

CVE-2025-61554 is a medium-severity vulnerability in N/a, classified under Divide By Zero. CVSS score: 5.5/10. Published 2025-10-16.

How severe is CVE-2025-61554?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-61554 known to be exploited?

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

Vulnerability in N/a

CVE-2025-61554

A divide-by-zero in VirtIO network device emulation in BitVisor from commit 108df6 (2020-05-20) to commit 480907 (2025-07-06) allows local attackers to cause a denial of service (host hypervisor crash) via a crafted PCI configuration space…

EPSS: 0.001 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-369 — Divide By Zero

Public proof-of-concept exploits

retrage/advisories

References

Frequently asked questions

What is CVE-2025-61554?: CVE-2025-61554 is a medium-severity vulnerability in N/a, classified under Divide By Zero. CVSS score: 5.5/10. Published 2025-10-16.
How severe is CVE-2025-61554?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-61554 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.