diff --git a/boot/zephyr/boot_serial_extensions.c b/boot/zephyr/boot_serial_extensions.c
index 1fd9bdf..88f84ad 100644
--- a/boot/zephyr/boot_serial_extensions.c
+++ b/boot/zephyr/boot_serial_extensions.c
@@ -15,42 +15,131 @@
 #include "../boot_serial/src/boot_serial_priv.h"
 #include "../boot_serial/src/cbor_encode.h"
 
+#include "bootutil/image.h"
+
 MCUBOOT_LOG_MODULE_DECLARE(mcuboot);
 
-int bs_peruser_system_specific(const struct nmgr_hdr *hdr, const char *buffer,
-                               int len, cbor_state_t *cs)
+static int bs_custom_storage_erase(cbor_state_t *cs)
 {
-    int mgmt_rc = MGMT_ERR_ENOTSUP;
-    int rc = -ENOTSUP;
+    int rc;
 
-    if (hdr->nh_group == ZEPHYR_MGMT_GRP_BASE &&
-        hdr->nh_id == ZEPHYR_MGMT_GRP_BASIC_CMD_ERASE_STORAGE &&
-        hdr->nh_op == NMGR_OP_WRITE) {
+    const struct flash_area *fa;
 
-        const struct flash_area *fa;
+    rc = flash_area_open(FLASH_AREA_ID(storage), &fa);
 
-        rc = flash_area_open(FLASH_AREA_ID(storage), &fa);
-
+    if (rc < 0) {
+        LOG_ERR("failed to open flash area");
+    } else {
+        rc = flash_area_erase(fa, 0, FLASH_AREA_SIZE(storage));
         if (rc < 0) {
-            LOG_ERR("failed to open flash area");
-        } else {
-            rc = flash_area_erase(fa, 0, FLASH_AREA_SIZE(storage));
-            if (rc < 0) {
-                LOG_ERR("failed to erase flash area");
-            }
-            flash_area_close(fa);
+            LOG_ERR("failed to erase flash area");
         }
-        if (rc == 0) {
-            mgmt_rc = MGMT_ERR_OK;
-        } else {
-            mgmt_rc = MGMT_ERR_EUNKNOWN;
-        }
+        flash_area_close(fa);
+    }
+    if (rc == 0) {
+        rc = MGMT_ERR_OK;
+    } else {
+        rc = MGMT_ERR_EUNKNOWN;
     }
 
     map_start_encode(cs, 10);
     tstrx_put(cs, "rc");
-    uintx32_put(cs, mgmt_rc);
+    uintx32_put(cs, rc);
     map_end_encode(cs, 10);
 
     return rc;
 }
+
+static int custom_img_status(int image_index, uint32_t slot,char *buffer,
+                        ssize_t len)
+{
+    uint32_t area_id;
+    struct flash_area const *fap;
+    struct image_header hdr;
+    int rc;
+    int img_install_stat = 0;
+
+    area_id = flash_area_id_from_multi_image_slot(image_index, slot);
+
+    rc = flash_area_open(area_id, &fap);
+    if (rc) {
+        return rc;
+    }
+
+    rc = flash_area_read(fap, 0, &hdr, sizeof(hdr));
+    if (rc) {
+        goto func_end;
+    }
+
+    if (hdr.ih_magic == IMAGE_MAGIC) {
+        snprintf(buffer, len, "ver=%d.%d.%d.%d,install_stat=%d",
+                 hdr.ih_ver.iv_major,
+                 hdr.ih_ver.iv_minor,
+                 hdr.ih_ver.iv_revision,
+                 hdr.ih_ver.iv_build_num,
+                 img_install_stat);
+    } else {
+        rc = 1;
+    }
+
+func_end:
+    flash_area_close(fap);
+    return rc;
+}
+
+static int bs_custom_img_list(cbor_state_t *cs)
+{
+    int rc = 0;
+    char tmpbuf[64];	/* Buffer should fit version and flags */
+
+    map_start_encode(cs, 10);
+
+    for (int img = 0; img < MCUBOOT_IMAGE_NUMBER; img++) {
+        for (int slot = 0; slot < 2; slot++) {
+            rc = custom_img_status(img, slot, tmpbuf, sizeof(tmpbuf));
+
+            intx32_put(cs, img * 2 + slot + 1);
+            if (rc == 0) {
+                tstrx_put_term(cs, tmpbuf);
+            } else {
+                tstrx_put_term(cs, "");
+            }
+        }
+    }
+
+    tstrx_put(cs, "rc");
+    uintx32_put(cs, MGMT_ERR_OK);
+    map_end_encode(cs, 10);
+
+    return rc;
+}
+
+#ifndef ZEPHYR_MGMT_GRP_BASIC_CMD_IMAGE_LIST
+    #define ZEPHYR_MGMT_GRP_BASIC_CMD_IMAGE_LIST 1
+#endif
+int bs_peruser_system_specific(const struct nmgr_hdr *hdr, const char *buffer,
+                               int len, cbor_state_t *cs)
+{
+    int mgmt_rc = MGMT_ERR_ENOTSUP;
+
+    if (hdr->nh_group == ZEPHYR_MGMT_GRP_BASE) {
+        if (hdr->nh_op == NMGR_OP_WRITE) {
+            if (hdr->nh_id == ZEPHYR_MGMT_GRP_BASIC_CMD_ERASE_STORAGE) {
+                mgmt_rc = bs_custom_storage_erase(cs);
+            }
+        } else if (hdr->nh_op == NMGR_OP_READ) {
+            if (hdr->nh_id == ZEPHYR_MGMT_GRP_BASIC_CMD_IMAGE_LIST) {
+                mgmt_rc = bs_custom_img_list(cs);
+            }
+        }
+    }
+
+    if (mgmt_rc == MGMT_ERR_ENOTSUP) {
+        map_start_encode(cs, 10);
+        tstrx_put(cs, "rc");
+        uintx32_put(cs, mgmt_rc);
+        map_end_encode(cs, 10);
+    }
+
+    return MGMT_ERR_OK;
+}