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The vulnerability of the CsteSystem function in the /cgi-bin/cstecgi.cgi file of the CGI Handler component of the TOTOLINK A8000RU router’s software, allowing a malicious user to execute arbitrary commands.
🗓️ 13 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 9 |
|---|---|---|---|---|
 | CVE-2026-7140 | 27 Apr 202616:30 | – | attackerkb |
 | TOTOLINK A8000RU 命令注入漏洞 | 27 Apr 202600:00 | – | cnnvd |
 | CVE-2026-7140 | 27 Apr 202616:30 | – | cve |
 | CVE-2026-7140 Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection | 27 Apr 202616:30 | – | cvelist |
 | EUVD-2026-25879 | 27 Apr 202616:30 | – | euvd |
 | CVE-2026-7140 | 27 Apr 202617:16 | – | nvd |
 | PT-2026-35454 | 27 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-7140 | 5 Jun 202619:22 | – | redhatcve |
 | CVE-2026-7140 Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection | 27 Apr 202616:30 | – | vulnrichment |
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13 Jul 2026 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 39.8
CVSS 210
EPSS0.01766