What is CVE-2025-51986?

CVE-2025-51986 is a high-severity vulnerability in N/a, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2025-08-14.

How severe is CVE-2025-51986?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in N/a

CVE-2025-51986

An issue was discovered in the demo/LINUXTCP implementation of cwalter-at freemodbus v.2018-09-12 allowing attackers to reach an infinite loop via a crafted length value for a packet.

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org

Frequently asked questions

What is CVE-2025-51986?: CVE-2025-51986 is a high-severity vulnerability in N/a, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2025-08-14.
How severe is CVE-2025-51986?: High severity. CVSS v3 base score is 7.5 out of 10.