Is CVE-2018-25239 in the CISA KEV catalog?

No. CVE-2018-25239 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-25239?

CVE-2018-25239 has a CVSS v3 base score of 6.2 (MEDIUM).

What is the EPSS score for CVE-2018-25239?

CVE-2018-25239 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2018-25239?

No published fix for CVE-2018-25239 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2018-25239

MEDIUM

6.2

CVSS v3

NVD

Description

Smart VPN 1.1.3.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting oversized input through the search interface. Attackers can paste a buffer of 2100 characters into the top right search bar to trigger an unhandled exception that crashes the application.

CWE-470

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-470 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2024-4990	Critical	9.1	79%	-	-
CVE-2024-0200	High	7.2	72%	-	Fix
CVE-2022-30287	High	8.0	70%	-	Fix
CVE-2025-3600	High	7.5	19%	-	-
CVE-2018-5511	High	7.2	15%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-21.