peter bassill · operator
$ cve CVE-2026-7140 JSON

CVE-2026-7140

9.8
CRITICAL · CVSS 3.1 · EPSS 3.3% (pctl 88)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument HTTP leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.25% — more likely to be exploited than 88% of all CVEs
WeaknessCWE-77
On CISA KEVno
Public exploitnone known
Published2026-04-27
Last modified2026-06-17

References

→ the Explorer  ·  watch your stack  ·  NVD