Security readout for executives and security teams
Plain-English summary
VPN Browser+ version 1.1.0.0 can be crashed by oversized input submitted through its search function. The business impact is availability loss of the affected application, not confirmed data theft or system takeover. Public exploit information exists, but the provided sources do not show active exploitation in the wild.
Executive priority
Treat as a targeted availability risk for users of VPN Browser+ 1.1.0.0. It is high priority if the app is used for important access workflows. If not deployed, document non-exposure and monitor vendor guidance.
Technical view
CVE-2018-25241 affects VPNBrowser VPN Browser+ 1.1.0.0. The record describes unauthenticated network attack complexity as low, requiring no privileges or user interaction, with high availability impact. The flaw is an unhandled exception triggered by oversized search input. Listed CWE is CWE-306, though the described behavior is denial of service from input handling.
Likely exposure
Exposure is limited to environments running VPN Browser+ 1.1.0.0. The product reference is the Microsoft Store listing, so vulnerability managers should check endpoints and software inventories for this specific app and version. No other versions or products are identified in the provided sources.
Exploitation context
ExploitDB is cited, indicating public exploit information exists. The source bundle says KEV is false, and no cited source confirms active exploitation. The described outcome is application termination, which may disrupt users relying on the browser or VPN-like workflow.
Researcher notes
The CVSS 4.0 score is 8.7 with high availability impact only. Public exploit reference exists, but avoid assuming exploitation beyond that. Patch status is not stated in the provided sources. Scope validation should stay limited to identifying affected installations and vendor-supported remediation paths.
Mitigation direction
- Inventory endpoints for VPN Browser+ version 1.1.0.0.
- Check vendor or Microsoft Store guidance for updated versions or removal advice.
- If no fix is available, remove or restrict use of the affected app.
- Prioritize remediation where the app supports business-critical access workflows.
Validation and detection
- Confirm installed product name and version through software inventory.
- Review endpoint telemetry for repeated VPN Browser+ crashes.
- Check application error reports for unhandled exceptions tied to search activity.
- Validate any update or removal in a controlled, non-production endpoint group.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-25241 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46198CVE reference · exploit
- Product ReferenceCVE reference · product
- VulnCheck Advisory: VPN Browser+ 1.1.0.0 Denial of ServiceCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.