CVE-2026-0640: fallo de gravedad alta en Tenda AC23
Tenda AC23 PowerSaveSet sscanf buffer overflow
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.7epss 3.5%
A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Productos afectados
Tenda · AC23CVEs relacionadas — Tenda AC23
En el mismo producto, de las más peligrosas a las menos.
CVE-2023-2649HIGHTenda AC23 Service Port 7329 ate command injectionEPSS 9.7%CVE-2025-9605CRITICALTenda AC21/AC23 GetParentControlInfo stack-based overflowEPSS 6.0%CVE-2026-1420HIGHTenda AC23 WifiExtraSet buffer overflowEPSS 3.8%CVE-2023-0782HIGHTenda AC23 httpd formGetSysToolDDNS out-of-bounds writeEPSS 1.5%CVE-2025-12596HIGHTenda AC23 saveParentControlInfo buffer overflowEPSS 1.2%CVE-2025-12595HIGHTenda AC23 SetVirtualServerCfg formSetVirtualSer buffer overflowEPSS 1.1%
Referencias
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.mdhttps://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#pochttps://vuldb.com/?ctiid.339683https://vuldb.com/?id.339683https://vuldb.com/?submit.731772https://www.tenda.com.cn/