The vulnerability of the fromSetSysTime(/goform/SetSysTimeCfg) function in the Tenda AC7 router’s software allows a attacker to execute arbitrary code or cause a service failure.
🗓️ 18 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 9 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-4974 | 27 Mar 202619:52 | – | attackerkb |
 | CVE-2026-4974 | 27 Mar 202621:23 | – | circl |
 | Tenda AC7 安全漏洞 | 27 Mar 202600:00 | – | cnnvd |
 | Tenda AC7 SetSysTimeCfg File Buffer Overflow Vulnerability | 9 Apr 202600:00 | – | cnvd |
 | CVE-2026-4974 | 27 Mar 202619:52 | – | cve |
 | CVE-2026-4974 Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption | 27 Mar 202619:52 | – | cvelist |
 | EUVD-2026-16809 | 27 Mar 202621:31 | – | euvd |
 | CVE-2026-4974 | 27 Mar 202620:16 | – | nvd |
 | PT-2026-28699 | 27 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-4974: Stack-based Buffer Overflow | 27 Mar 202600:00 | – | rapid7 |
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18 Sep 2026 00:00Current
8.9High risk
Vulners AI Score8.9
CVSS 38.8
CVSS 29
EPSS0.01009