diff --git a/lib/everest/io/src/can/socket_can_handler.cpp b/lib/everest/io/src/can/socket_can_handler.cpp
index 3148aa8b17..be7936123e 100644
--- a/lib/everest/io/src/can/socket_can_handler.cpp
+++ b/lib/everest/io/src/can/socket_can_handler.cpp
@@ -84,6 +84,14 @@ bool socket_can_handler::rx(can_dataset& data) {
 }
 
 bool socket_can_handler::open(std::string const& can_device) {
+    // IFNAMSIZ is the size of the buffer to write the name to.
+    // This situation is special concerning null termination,
+    // The name can occupy the fill buffer. If it does not, nulltermination is necessary
+    // Since most Linux systems enforce 15 chars as limit plus 1 for nulltermination
+    // we do the same thing here.
+    if (can_device.size() >= IFNAMSIZ) {
+        return false;
+    }
     m_can_dev = can_device;
     return open_device() == 0;
 }
@@ -95,7 +103,11 @@ int socket_can_handler::open_device() {
         return errno;
     }
     struct ifreq ifr;
-    strcpy(ifr.ifr_name, m_can_dev.c_str());
+    memset(&ifr, 0, sizeof(ifr));
+    // We know m_can_dev fits because of the check in open().
+    // strncpy will copy the string and the null terminator.
+    // The previous memset handles any trailing bytes in the 16-byte buffer.
+    strncpy(ifr.ifr_name, m_can_dev.c_str(), IFNAMSIZ);
     if (ioctl(can_fd, SIOCGIFINDEX, &ifr) < 0) {
         perror(m_can_dev.c_str());
         return errno;
diff --git a/modules/HardwareDrivers/PowerSupplies/InfyPower_BEG1K075G/can_driver_acdc/CanDevice.cpp b/modules/HardwareDrivers/PowerSupplies/InfyPower_BEG1K075G/can_driver_acdc/CanDevice.cpp
index 91ee801b59..0aabc1826e 100644
--- a/modules/HardwareDrivers/PowerSupplies/InfyPower_BEG1K075G/can_driver_acdc/CanDevice.cpp
+++ b/modules/HardwareDrivers/PowerSupplies/InfyPower_BEG1K075G/can_driver_acdc/CanDevice.cpp
@@ -29,39 +29,43 @@ CanDevice::~CanDevice() {
 }
 
 bool CanDevice::open_device(const char* dev) {
+    if (!dev || std::strlen(dev) >= IFNAMSIZ) {
+        fprintf(stderr, "Interface name is invalid or too long: %s\n", dev ? dev : "NULL");
+        return false;
+    }
+
     if ((can_fd = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
         perror("Socket");
         return false;
+    }
 
-    } else {
-
-        // retrieve interface index from interface name
-        struct ifreq ifr;
-        strcpy(ifr.ifr_name, dev);
-        if (ioctl(can_fd, SIOCGIFINDEX, &ifr) < 0) {
-            perror(dev);
-            close(can_fd);
-            return false;
-        }
+    // retrieve interface index from interface name
+    struct ifreq ifr;
+    std::memset(&ifr, 0, sizeof(ifr));
+    strncpy(ifr.ifr_name, dev, IFNAMSIZ - 1);
+    if (ioctl(can_fd, SIOCGIFINDEX, &ifr) < 0) {
+        perror(dev);
+        close(can_fd);
+        return false;
+    }
 
-        // bind to the interface
-        struct sockaddr_can addr;
-        memset(&addr, 0, sizeof(addr));
-        addr.can_family = AF_CAN;
-        addr.can_ifindex = ifr.ifr_ifindex;
+    // bind to the interface
+    struct sockaddr_can addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.can_family = AF_CAN;
+    addr.can_ifindex = ifr.ifr_ifindex;
 
-        if (bind(can_fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
-            perror("Bind");
-            close(can_fd);
-            return false;
-        }
+    if (bind(can_fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+        perror("Bind");
+        close(can_fd);
+        return false;
+    }
 
-        // spawn read thread
-        exit_rx_thread = false;
-        rx_thread_handle = std::thread(&CanDevice::rx_thread, this);
+    // spawn read thread
+    exit_rx_thread = false;
+    rx_thread_handle = std::thread(&CanDevice::rx_thread, this);
 
-        return true;
-    }
+    return true;
 }
 
 bool CanDevice::close_device() {
diff --git a/modules/HardwareDrivers/PowerSupplies/UUGreenPower_UR1000X0/can_driver_acdc/CanDevice.cpp b/modules/HardwareDrivers/PowerSupplies/UUGreenPower_UR1000X0/can_driver_acdc/CanDevice.cpp
index 8ec21fbd5a..52f0bb7b02 100644
--- a/modules/HardwareDrivers/PowerSupplies/UUGreenPower_UR1000X0/can_driver_acdc/CanDevice.cpp
+++ b/modules/HardwareDrivers/PowerSupplies/UUGreenPower_UR1000X0/can_driver_acdc/CanDevice.cpp
@@ -29,39 +29,43 @@ CanDevice::~CanDevice() {
 }
 
 bool CanDevice::open_device(const char* dev) {
+    if (!dev || std::strlen(dev) >= IFNAMSIZ) {
+        fprintf(stderr, "Interface name is invalid or too long: %s\n", dev ? dev : "NULL");
+        return false;
+    }
+
     if ((can_fd = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
         perror("Socket");
         return false;
+    }
 
-    } else {
-
-        // retrieve interface index from interface name
-        struct ifreq ifr;
-        strcpy(ifr.ifr_name, dev);
-        if (ioctl(can_fd, SIOCGIFINDEX, &ifr) < 0) {
-            perror(dev);
-            close(can_fd);
-            return false;
-        }
+    // retrieve interface index from interface name
+    struct ifreq ifr;
+    std::memset(&ifr, 0, sizeof(ifr));
+    strncpy(ifr.ifr_name, dev, IFNAMSIZ - 1);
+    if (ioctl(can_fd, SIOCGIFINDEX, &ifr) < 0) {
+        perror(dev);
+        close(can_fd);
+        return false;
+    }
 
-        // bind to the interface
-        struct sockaddr_can addr;
-        memset(&addr, 0, sizeof(addr));
-        addr.can_family = AF_CAN;
-        addr.can_ifindex = ifr.ifr_ifindex;
+    // bind to the interface
+    struct sockaddr_can addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.can_family = AF_CAN;
+    addr.can_ifindex = ifr.ifr_ifindex;
 
-        if (bind(can_fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
-            perror("Bind");
-            close(can_fd);
-            return false;
-        }
+    if (bind(can_fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+        perror("Bind");
+        close(can_fd);
+        return false;
+    }
 
-        // spawn read thread
-        exit_rx_thread = false;
-        rx_thread_handle = std::thread(&CanDevice::rx_thread, this);
+    // spawn read thread
+    exit_rx_thread = false;
+    rx_thread_handle = std::thread(&CanDevice::rx_thread, this);
 
-        return true;
-    }
+    return true;
 }
 
 bool CanDevice::close_device() {