长安汽车申请车载总线测试方法专利，暴露车载总线的安全漏洞

Group 1 - Chongqing Changan Automobile Co., Ltd. has applied for a patent titled "Vehicle Bus Testing Method, Device, Equipment, Storage Medium, and Program Product," with publication number CN121283894A, and the application date is September 2025 [1] - The patent involves a method for testing vehicle safety by obtaining target messages from the vehicle bus, fuzzing the fields in the target messages, and conducting frame injection attacks to detect any anomalies in the vehicle's response [1] - The method aims to expose security vulnerabilities in the vehicle bus and validate the vehicle's safety and robustness under hybrid attacks by generating test results based on the vehicle's responses to both fuzzed and normal messages [1] Group 2 - Chongqing Changan Automobile Co., Ltd. was established in 1996 and is primarily engaged in the automotive manufacturing industry, with a registered capital of 991,408.606 million RMB [2] - The company has invested in 120 enterprises, participated in 5,000 bidding projects, and holds 3,116 trademark records and 5,000 patent records, along with 1,053 administrative licenses [2]