CVE-2026-91853CWE-77CWE-78command-injection

CVE-2026-91853

High · published September 15, 2026

CVSS v3.1
7.4
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
EPSS
0.01817 · 78.5th percentile
Weaknesses
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')
Published
2026-09-15T21:17Z
References (6)
https://vuldb.com/vuln/404082/cti · [email protected]https://www.totolink.net/ · [email protected]https://github.com/awigwu76/TOTOLINK_X5000R/blob/main/2.md · [email protected]https://vuldb.com/cve/CVE-2026-91853 · [email protected]https://vuldb.com/submit/933810 · [email protected]https://vuldb.com/vuln/404082 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 15 SEP 16:15Z
    TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection
    cvelistv5