# CVE-2026-15204: TOTOLINK X5000R path traversal in OpenVPN Export

Source: https://junglewise.ai/threats/cve-2026-15204-totolink-x5000r-path-traversal-in-openvpn-export  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-09. Updated: 2026-07-09  
License: CC BY 4.0 with a link back

CVE-2026-15204 · Severity: medium · CVSS 5.3 · Published 2026-07-09

A security vulnerability has been identified in the TOTOLINK X5000R wireless router, specifically within its OpenVPN configuration export feature. This flaw allows an unauthorized person to access files on the device that should normally be protected. An attacker could use this to gain sensitive information about the device's configuration or internal operations, potentially compromising the security of the network it manages.

Technologies: [TOTOLINK X5000r](https://junglewise.ai/threats/technologies/x5000r). Vendors: [TOTOLINK](https://junglewise.ai/threats/vendors/totolink).

## Quick answers

**Is CVE-2026-15204 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-15204 being exploited in the wild.

**How severe is CVE-2026-15204?** Medium severity, with a CVSS score of 5.3, published 9 July 2026.

**Which products and versions are affected?** TOTOLINK X5000r 9.1.0cu.2415_B20250515, 9.1.0cu.2350_B20230313.

**Is there a fix for CVE-2026-15204?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-15204 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-15204?** Check whether you run TOTOLINK X5000r at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A path traversal vulnerability (CWE-22) exists in the TOTOLINK X5000R router within the 'exportOvpn' function of the '/web/cgi-bin/cstecgi.cgi' script. The vulnerability is located in the OpenVPN Export component and can be exploited remotely without authentication. By manipulating input parameters, an attacker can traverse the file system to read arbitrary files on the device. This issue affects firmware versions 9.1.0cu.2415_B20250515 and 9.1.0cu.2350_B20230313. A proof-of-concept for pre-authentication file disclosure has been referenced in public repositories.

## Affected products

- TOTOLINK X5000R 9.1.0cu.2415_B20250515, 9.1.0cu.2350_B20230313

## Timeline

- 2026-07-09: advisory: NVD publication date

## References

- [https://github.com/meishigana/CVE/tree/main/totolink_x5000r_exportovpn_file_disclosure_2026-06-09](https://github.com/meishigana/CVE/tree/main/totolink_x5000r_exportovpn_file_disclosure_2026-06-09)
- [https://vuldb.com/cve/CVE-2026-15204](https://vuldb.com/cve/CVE-2026-15204)
- [https://vuldb.com/submit/852073](https://vuldb.com/submit/852073)
- [https://vuldb.com/vuln/377125](https://vuldb.com/vuln/377125)
- [https://vuldb.com/vuln/377125/cti](https://vuldb.com/vuln/377125/cti)
- [https://www.totolink.net/](https://www.totolink.net/)

## Related threats

- [TOTOLINK X5000R OS command injection in exportOvpn handler](https://junglewise.ai/threats/cve-2026-91853-totolink-x5000r-os-command-injection-in-exportovpn-handler)
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