What is CVE-2018-25313?

CVE-2018-25313 is a medium-severity vulnerability in Sysgauge, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-04-29.

How severe is CVE-2018-25313?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Sysgauge

CVE-2018-25313

SysGauge 4.5.18 contains a buffer overflow vulnerability in the proxy configuration handler that allows local attackers to cause a denial of service by supplying an oversized string. Attackers can inject a large payload through the Proxy Server Host Name field in the Options menu to crash the application.

Vulnerability class: Buffer Overflow

Published 2026-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Sysgauge — versions 4.5.18

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.exploit-db.com/exploits/44372 (exploit)
www.vulncheck.com/advisories/sysgauge-local-denial-of-service-via-proxy-configu… (third-party-advisory)

Frequently asked questions

What is CVE-2018-25313?: CVE-2018-25313 is a medium-severity vulnerability in Sysgauge, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-04-29.
How severe is CVE-2018-25313?: Medium severity. CVSS v3 base score is 6.2 out of 10.