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CVE-2026-15105

davenardella snap7 ReadVar Request s7_server.cpp PerformFunctionRead deserialization

CVSS 5.3 MEDIUMEPSS 0.3%CWE-20CWE-502
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
Madurez del exploit
Prueba de concepto
Existe prueba de concepto pública, pero aún no automatizada.
CVSS 5.3EPSS 0.3%KEV nãoPoC públicaNuclei Metasploit Patch
Ciclo de vida
08 jul 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7_server.cpp of the component ReadVar Request Handler. This manipulation causes deserialization. The attack requires access to the local network. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
davenardella · snap7
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