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The vulnerability of the formSetQosBand() function (/goform/SetNetControlList) in the Tenda AC21 router software allows a attacker to cause a service failure.
🗓️ 31 Mar 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-2026-4565 | 23 Mar 202600:34 | – | attackerkb |
 | CVE-2026-4565 | 22 Mar 202608:38 | – | circl |
 | Tenda AC21 安全漏洞 | 23 Mar 202600:00 | – | cnnvd |
 | CVE-2026-4565 | 23 Mar 202600:34 | – | cve |
 | CVE-2026-4565 Tenda AC21 SetNetControlList formSetQosBand buffer overflow | 23 Mar 202600:34 | – | cvelist |
 | EUVD-2026-14343 | 23 Mar 202600:34 | – | euvd |
 | CVE-2026-4565 | 23 Mar 202601:16 | – | nvd |
 | PT-2026-27014 | 22 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-4565 | 26 Mar 202614:58 | – | redhatcve |
 | CVE-2026-4565 Tenda AC21 SetNetControlList formSetQosBand buffer overflow | 23 Mar 202600:34 | – | vulnrichment |
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31 Mar 2026 00:00Current
7.5High risk
Vulners AI Score7.5
CVSS 38.8
CVSS 29
EPSS0.00938