CVE-2026-91853

A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS v3 7.4 HIGH
CVSS v2.0 6.5 MEDIUM

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.1 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/awigwu76/TOTOLINK_X5000R/blob/main/2.md
https://vuldb.com/cve/CVE-2026-91853
https://vuldb.com/submit/933810
https://vuldb.com/vuln/404082
https://vuldb.com/vuln/404082/cti
https://www.totolink.net/

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 17:17

Updated : 2026-09-15 18:19

NVD link : CVE-2026-91853

Mitre link : CVE-2026-91853

CVE.ORG link : CVE-2026-91853

JSON object : View

Products Affected

No product.

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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