What’s Vulnerable › Vulnerabilities

CVE-2018-25239: Smart VPN 1.1.3.0 Denial of Service via Search

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-04 · updated 2026-07-21
• Weakness: CWE-470

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.

Affected products

• SmartVPN Smart VPN: 1.1.3.0

References

• https://www.exploit-db.com/exploits/46272
• https://www.microsoft.com/store/productId/9NH1G93D4HKR
• https://www.vulncheck.com/advisories/smart-vpn-denial-of-service-via-search

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