diff --git a/backend-node/src/controllers/adminController.ts b/backend-node/src/controllers/adminController.ts
index 1501a2c0..5b462607 100644
--- a/backend-node/src/controllers/adminController.ts
+++ b/backend-node/src/controllers/adminController.ts
@@ -3728,16 +3728,6 @@ export const resetUserPassword = async (
     return;
   }
 
-  // 비밀번호 길이 검증 (최소 4자)
-  if (newPassword.length < 4) {
-    res.status(400).json({
-      success: false,
-      result: false,
-      message: "비밀번호는 최소 4자 이상이어야 합니다.",
-      msg: "비밀번호는 최소 4자 이상이어야 합니다.",
-    });
-    return;
-  }
 
   try {
     // 1. Raw Query로 사용자 존재 여부 확인
@@ -3756,19 +3746,10 @@ export const resetUserPassword = async (
       return;
     }
 
-    // 2. 비밀번호 암호화 (기존 Java 로직과 동일)
+    // 2. 비밀번호 암호화 (EncryptUtil 사용)
     let encryptedPassword: string;
     try {
-      // EncryptUtil과 동일한 암호화 사용
-      const crypto = require("crypto");
-      const keyName = "ILJIAESSECRETKEY";
-      const algorithm = "aes-128-ecb";
-
-      // AES-128-ECB 암호화
-      const cipher = crypto.createCipher(algorithm, keyName);
-      let encrypted = cipher.update(newPassword, "utf8", "hex");
-      encrypted += cipher.final("hex");
-      encryptedPassword = encrypted.toUpperCase();
+      encryptedPassword = EncryptUtil.encrypt(newPassword);
     } catch (encryptError) {
       logger.error("비밀번호 암호화 중 오류 발생", {
         error: encryptError,
diff --git a/frontend/components/admin/UserPasswordResetModal.tsx b/frontend/components/admin/UserPasswordResetModal.tsx
index 72bd53d1..9dc1967b 100644
--- a/frontend/components/admin/UserPasswordResetModal.tsx
+++ b/frontend/components/admin/UserPasswordResetModal.tsx
@@ -114,6 +114,7 @@ export function UserPasswordResetModal({ isOpen, onClose, userId, userName, onSu
     setShowPassword(false);
     setShowConfirmPassword(false);
     setIsLoading(false);
+    setAlertState({ isOpen: false, type: "info", title: "", message: "" });
     onClose();
   }, [onClose]);