What’s Vulnerable › Products

Tenda AC21 vulnerabilities

29 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 16 published in the last 12 months.

Check whether your Tenda AC21 version is affected

Latest Tenda AC21 vulnerabilities

• CVE-2026-4565 — Tenda AC21 SetNetControlList formSetQosBand buffer overflow (CVSS 8.8)
• CVE-2026-2148 — Tenda AC21 Web Management DownloadFlash information disclosure (CVSS 7.5)
• CVE-2026-2147 — Tenda AC21 Web Management DownloadLog information disclosure (CVSS 5.3)
• CVE-2026-1638 — Tenda AC21 mDMZSetCfg command injection (CVSS 8.8)
• CVE-2026-1637 — Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow (CVSS 8.8)
• CVE-2025-65226 — (CVSS 4.3)
• CVE-2025-65223 — (CVSS 4.3)
• CVE-2025-65222 — (CVSS 4.3)
• CVE-2025-65221 — (CVSS 4.3)
• CVE-2025-65220 — (CVSS 4.3)
• CVE-2025-13446 — Tenda AC21 SetSysTimeCfg stack-based overflow (CVSS 9.8)
• CVE-2025-13445 — Tenda AC21 SetIpMacBind stack-based overflow (CVSS 9.8)
• CVE-2025-12611 — Tenda AC21 SetPptpServerCfg formSetPPTPServer buffer overflow (CVSS 9.8)
• CVE-2025-11091 — Tenda AC21 SetStaticRouteCfg sscanf buffer overflow (CVSS 8.8)
• CVE-2025-10838 — Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow (CVSS 8.8)
• CVE-2025-9605 — Tenda AC21/AC23 GetParentControlInfo stack-based overflow (CVSS 9.8)
• CVE-2023-24333 — (CVSS 8.8)
• CVE-2022-44163 — (CVSS 7.5)
• CVE-2022-44158 — (CVSS 7.5)
• CVE-2022-40076 — (CVSS 7.5)
• CVE-2022-40075 — (CVSS 7.5)
• CVE-2022-40074 — (CVSS 7.5)
• CVE-2022-40073 — (CVSS 7.5)
• CVE-2022-40072 — (CVSS 7.5)
• CVE-2022-40071 — (CVSS 7.5)