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The vulnerability of the formGetDdosDefenceList() function in the Tenda AC9 router’s microprogramming software allows a attacker to execute arbitrary code or cause a service failure.
🗓️ 04 Mar 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 10 |
|---|---|---|---|---|
 | CVE-2026-2191 | 8 Feb 202622:32 | – | attackerkb |
 | CVE-2026-2191 | 9 Feb 202601:30 | – | circl |
 | Tenda AC9 安全漏洞 | 8 Feb 202600:00 | – | cnnvd |
 | CVE-2026-2191 | 8 Feb 202622:32 | – | cve |
 | CVE-2026-2191 Tenda AC9 formGetDdosDefenceList stack-based overflow | 8 Feb 202622:32 | – | cvelist |
 | CVE-2026-2191 | 8 Feb 202623:15 | – | nvd |
 | CVE-2026-2191 | 8 Feb 202623:15 | – | osv |
 | PT-2026-7024 | 8 Feb 202600:00 | – | ptsecurity |
 | CVE-2026-2191 | 10 Feb 202601:23 | – | redhatcve |
 | CVE-2026-2191 Tenda AC9 formGetDdosDefenceList stack-based overflow | 8 Feb 202622:32 | – | vulnrichment |
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04 Mar 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 37.2
CVSS 29
EPSS0.00662