CVE-2026-91853

TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection

HIGH
7.4
CVSS Score
Published: September 15, 2026 at 04:15 PM UTC
Updated: September 16, 2026 at 06:07 PM UTC
1 product affected across 1 vendorX5000R Firmware

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Severity
HIGH7.4
Exploit prediction
EPSS 2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

9.1.0cu.2089_B20211224

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/404082
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/404082/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91853
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/933810
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78CWE-77

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