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Description

VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-04 | Updated 2026-04-06 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Missing Authentication for Critical Function

Product status

1.1.0.0
affected

Credits

0xB9 finder

References

www.exploit-db.com/exploits/46198 (ExploitDB-46198) exploit

www.microsoft.com/store/productId/9NFFFFS5Z2C7 (Product Reference) product

www.vulncheck.com/advisories/vpn-browser-denial-of-service (VulnCheck Advisory: VPN Browser+ 1.1.0.0 Denial of Service) third-party-advisory

cve.org (CVE-2018-25241)

nvd.nist.gov (CVE-2018-25241)

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