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The vulnerability of the setUPnPCfg() function in the cstecgi.cgi script of the TOTOLINK A7100RU router’s microprogramming system allows a hacker to execute arbitrary commands.
🗓️ 13 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-5851 | 9 Apr 202606:00 | – | attackerkb |
 | CVE-2026-5851 | 9 Apr 202606:38 | – | circl |
 | TOTOLINK A7100RU 操作系统命令注入漏洞 | 9 Apr 202600:00 | – | cnnvd |
 | CVE-2026-5851 | 9 Apr 202606:00 | – | cve |
 | CVE-2026-5851 Totolink A7100RU CGI cstecgi.cgi setUPnPCfg os command injection | 9 Apr 202606:00 | – | cvelist |
 | EUVD-2026-20864 | 9 Apr 202606:30 | – | euvd |
 | CVE-2026-5851 | 9 Apr 202606:16 | – | nvd |
 | PT-2026-31590 | 9 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-5851 | 5 Jun 202619:19 | – | redhatcve |
 | CVE-2026-5851 Totolink A7100RU CGI cstecgi.cgi setUPnPCfg os command injection | 9 Apr 202606:00 | – | vulnrichment |
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13 Apr 2026 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 39.8
CVSS 210
EPSS0.14128