HTTP power meter: prevent out-of-bound array access

hoylabs · Apr 18, 2024 · 247cfe7 · 247cfe7
1 parent e92701c
commit 247cfe7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/HttpPowerMeter.cpp b/src/HttpPowerMeter.cpp
@@ -16,6 +16,8 @@ void HttpPowerMeterClass::init()
 
 float HttpPowerMeterClass::getPower(int8_t phase)
 {
+    if (phase < 1 || phase > POWERMETER_MAX_PHASES) { return 0.0; }
+
     return power[phase - 1];
 }