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The vulnerability of the sub_446B18 function in the /goform/formPdbUpConfig file of the UTT 521G router’s microprogramming software, which allows a hacker to execute arbitrary commands.
🗓️ 04 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 3 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-2188 | 8 Feb 202621:32 | – | attackerkb |
 | UTT 521G 操作系统命令注入漏洞 | 8 Feb 202600:00 | – | cnnvd |
 | CVE-2026-2188 | 8 Feb 202621:32 | – | cve |
 | CVE-2026-2188 UTT 进取 521G formPdbUpConfig sub_446B18 os command injection | 8 Feb 202621:32 | – | cvelist |
 | EUVD-2026-5762 | 8 Feb 202621:32 | – | euvd |
 | CVE-2026-2188 | 8 Feb 202622:15 | – | nvd |
 | CVE-2026-2188 | 8 Feb 202622:15 | – | osv |
 | PT-2026-7021 | 8 Feb 202600:00 | – | ptsecurity |
 | CVE-2026-2188 | 10 Feb 202601:23 | – | redhatcve |
 | CVE-2026-2188 UTT 进取 521G formPdbUpConfig sub_446B18 os command injection | 8 Feb 202621:32 | – | vulnrichment |
10
Node
| Source | Link |
|---|---|
| github | www.github.com/cha0yang1/UTT521G/blob/main/RCE2.md |
| vuldb | www.vuldb.com/ |
| vuldb | www.vuldb.com/ |
| vuldb | www.vuldb.com/ |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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04 Mar 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 37.2
CVSS 29
EPSS0.06413