Ac21 firmware
This hub aggregates every CVE we track for Ac21 firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
29
CVEs tracked
1
Critical
20
High
0
In CISA KEV
Severity distribution
HIGH20MEDIUM8CRITICAL1
Monthly trend
0
0
0
0
0
0
0
0
0
0
0
1
2
0
8
0
2
2
1
0
0
0
0
0
2024-092026-08
Latest CVEs
The 15 most recently published vulnerabilities affecting Ac21 firmware.
- CVE-2026-4565Tenda AC21 SetNetControlList formSetQosBand buffer overflow8.8
- CVE-2026-2148Tenda AC21 Web Management DownloadFlash information disclosure5.3
- CVE-2026-2147Tenda AC21 Web Management DownloadLog information disclosure5.3
- CVE-2026-1638Tenda AC21 mDMZSetCfg command injection6.3
- CVE-2026-1637Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow8.8
- CVE-2025-13446Tenda AC21 SetSysTimeCfg stack-based overflow8.8
- CVE-2025-13445Tenda AC21 SetIpMacBind stack-based overflow8.8
- CVE-2025-65223Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParentControlInfo.4.3
- CVE-2025-65222Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/SetSysAutoRebbotCfg.4.3
- CVE-2025-65221Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.4.3
- CVE-2025-65220Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.4.3
- CVE-2025-65226Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.4.3
- CVE-2025-12611Tenda AC21 SetPptpServerCfg formSetPPTPServer buffer overflow8.8
- CVE-2025-11091Tenda AC21 SetStaticRouteCfg sscanf buffer overflow8.8
- CVE-2025-10838Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow8.8
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