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CVE-2026-91853mediumCWE-77CWE-78

TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 1.4%
exploitation probability
1.4%top 29% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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: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
Affected products
TOTOLINK · X5000R
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.