CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,436 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,436
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Critical, last 7 days
355
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Healthcare-tagged, last 7 days
4
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product tenda:ac21_firmware. Show all products

16 CVEs, showing 1 to 16
CVESeverityTitlePublished
CVE-2025-9605Critical 9.8A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16.Aug 29, 2025
CVE-2025-10838High 8.8A vulnerability was identified in Tenda AC21 16.03.08.16.Sep 23, 2025
CVE-2025-11091High 8.8A security flaw has been discovered in Tenda AC21 up to 16.03.08.16.Sep 28, 2025
CVE-2025-12611Critical 9.8A vulnerability was identified in Tenda AC21 16.03.08.16.Nov 3, 2025
CVE-2025-13445Critical 9.8A flaw has been found in Tenda AC21 16.03.08.16.Nov 20, 2025
CVE-2025-13446Critical 9.8A vulnerability has been found in Tenda AC21 16.03.08.16.Nov 20, 2025
CVE-2025-65220Medium 4.3Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.Nov 20, 2025
CVE-2025-65221Medium 4.3Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.Nov 20, 2025
CVE-2025-65222Medium 4.3Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/SetSysAutoRebbotCfg.Nov 20, 2025
CVE-2025-65223Medium 4.3Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParentControlInfo.Nov 20, 2025
CVE-2025-65226Medium 4.3Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.Nov 20, 2025
CVE-2026-1637High 8.8A vulnerability was identified in Tenda AC21 16.03.08.16.Jan 29, 2026
CVE-2026-1638High 8.8A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16.Jan 30, 2026
CVE-2026-2147Medium 5.3A weakness has been identified in Tenda AC21 16.03.08.16.Feb 8, 2026
CVE-2026-2148High 7.5A security vulnerability has been detected in Tenda AC21 16.03.08.16.Feb 8, 2026
CVE-2026-4565High 8.8A vulnerability was detected in Tenda AC21 16.03.08.16.Mar 23, 2026

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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