CVE-2026-15204: Path Traversal (CVSS 5.3)

Description

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched remotely.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0049

Probability of exploitation

0.39%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

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/submit/852073 https://vuldb.com/vuln/377125 https://vuldb.com/vuln/377125/cti https://www.totolink.net/ https://github.com/meishigana/CVE/tree/main/totolink_x5000r_exportovpn_file_disclosure_2026-06-09

Frequently Asked Questions

What is CVE-2026-15204? +

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched remotely. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-15204? +

CVE-2026-15204 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0049, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15204? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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