The vulnerability of the sub_423B50() function (/goform/setMacFilterCfg) of the MAC Filtering Configuration Endpoint component in the Tenda A18 router microprogramming software allows a intruder to cause a service failure.
🗓️ 18 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 10 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-4493 | 20 Mar 202617:32 | – | attackerkb |
 | CVE-2026-4493 | 20 Mar 202622:18 | – | circl |
 | Tenda A18 Pro 安全漏洞 | 20 Mar 202600:00 | – | cnnvd |
 | CVE-2026-4493 | 20 Mar 202617:32 | – | cve |
 | CVE-2026-4493 Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow | 20 Mar 202617:32 | – | cvelist |
 | EUVD-2026-13754 | 20 Mar 202618:31 | – | euvd |
 | CVE-2026-4493 | 20 Mar 202618:16 | – | nvd |
 | PT-2026-26652 | 20 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-4493: Stack-based Buffer Overflow | 20 Mar 202600:00 | – | rapid7 |
 | CVE-2026-4493 | 26 Mar 202614:58 | – | redhatcve |
10
Node
| Source | Link |
|---|---|
| github | www.github.com/lilukun337/cve/issues/5 |
| vuldb | www.vuldb.com/ |
| vuldb | www.vuldb.com/ |
| vuldb | www.vuldb.com/ |
| tenda | www.tenda.com.cn/ |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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18 Sep 2026 00:00Current
8.4High risk
Vulners AI Score8.4
CVSS 38.8
CVSS 29
EPSS0.00792