Security readout for executives and security teams
Plain-English summary
CVE-2018-25239 is a local denial-of-service issue in Smart VPN 1.1.3.0. A person with access to the application can crash it through oversized search input. This affects availability of the VPN client application, not confidentiality or integrity based on the provided CVSS data.
Executive priority
Treat as a moderate endpoint availability issue. Prioritize if Smart VPN is business-critical, deployed broadly, or used on shared systems. It is not currently supported by the provided evidence as a remote takeover risk.
Technical view
Smart VPN 1.1.3.0 has an input-handling flaw in the search interface that can trigger an unhandled exception and application crash. The CVSS v4.0 vector is local attack vector, low complexity, no privileges, no user interaction, and high vulnerable-system availability impact.
Likely exposure
Exposure is limited to systems running Smart VPN version 1.1.3.0 where a local user or process can interact with the client UI. No affected server-side component or broader version range is identified in the provided sources.
Exploitation context
A public ExploitDB reference exists, but the CVE is not listed as KEV in the provided bundle. The available evidence supports local application crash risk, not remote compromise or active exploitation in the wild.
Researcher notes
The record identifies Smart VPN 1.1.3.0 only. CWE-470 is listed, though the described behavior is an input-size crash through search. Sources do not name a patch, fixed version, or vendor advisory beyond the referenced product listing and third-party advisory.
Mitigation direction
- Identify installations of Smart VPN 1.1.3.0.
- Check vendor or Microsoft Store guidance for updates or replacement versions.
- Limit use of the affected version on shared or high-availability workstations.
- Monitor endpoint crash reports involving the Smart VPN application.
Validation and detection
- Confirm the installed Smart VPN version is 1.1.3.0.
- Review application logs or Windows crash reports for Smart VPN failures.
- Verify whether a newer vendor-supported build is available.
- Track the CVE and vendor references for remediation updates.
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-470: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2018-25239 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
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/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:L/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
6.9MediumVector: CVSS:4.0/AV:L/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-46272CVE reference · exploit
- Product ReferenceCVE reference · product
- VulnCheck Advisory: mart VPN 1.1.3.0 Denial of Service via SearchCVE 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.
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.