Total VPN 0.5.29.0 on Windows win-service.exe unquoted search path
Summary
A vulnerability was found in Total VPN 0.5.29.0 on Windows. It has been classified as problematic. Affected by this issue is some unknown functionality of the file C:\Program Files\Total VPN\win-service.exe. The manipulation leads to unquoted search path. This vulnerability is uniquely identified as CVE-2026-2542. Local access is required to approach this attack. No exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in Total VPN 0.5.29.0 on Windows and classified as critical. This issue affects an unknown code block of the file C:\Program Files\Total VPN\win-service.exe. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability.
It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-2542. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/20/2026). The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.
The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-6120). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.0
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.0
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unquoted search pathCWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/15/2026 Advisory disclosed02/15/2026 VulDB entry created
02/20/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-2542 (🔒)
GCVE (CVE): GCVE-0-2026-2542
GCVE (VulDB): GCVE-100-346127
EUVD: 🔒
Entry
Created: 02/15/2026 16:41Updated: 02/20/2026 07:24
Changes: 02/15/2026 16:41 (53), 02/16/2026 09:31 (30), 02/19/2026 00:02 (1), 02/20/2026 07:24 (1)
Complete: 🔍
Cache ID: 216::103
Submit
Accepted
- Submit #749365: Total VPN Total VPN for Windows 0.5.29.0 Unquoted Service Path (by github.com)
Be aware that VulDB is the high quality source for vulnerability data.
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