← 研踪 PaperTrailarXiv:2610.29155 · v2
5uGUE: Agentic Hardware-in-the-Loop Fuzzing for 5G Devices and beyond
首次提交 2026-10-21 11:45
版本更新 2026-10-27 15:00
雷达观测 2026-10-29 00:35
摘要
In this paper, we present 5uGUE, a large language model (LLM)-driven hardware-in-the-loop agent, which enables the wireless fuzzing of 5G-enabled devices (such as mobile phones). 5uGUE combines multi-step reasoning with tool-assisted interaction and integrates into the fuzzing pipeline by leveraging specialized tools for internet search, 5G protocol analysis, memory management, and test-case execution. The agent iteratively generates test cases, executes them on targets, collects runtime feedback, and adaptively refines the fuzzing strategy. We evaluate 5uGUE on five commercial off-the-shelf (COTS) 5G devices across six LLMs. The best performing runs for 5uGUE trigger 167 crashes in total (141 novel and 31 unique) within 60 interaction turns (49 to 133 minutes total runtime). In contrast, the best runs for the state-of-the-art baseline (5GHOUL) discovers only 13 crashes in total (10 novel and 6 unique) within 150 minutes. Overall, by integrating LLM-driven agents, 5uGUE demonstrates significantly better crash discovery performance (12.8x total, 5.2x unique improvement). Notably, our experiments identified 46 unique crashes, 44 of which were confirmed by the vendors but had been previously reported. More importantly, MediaTek confirmed two previously unknown, high-severity vulnerabilities, one of which was assigned CVE-2026-20525. Finally, to demonstrate that 5uGUE is agnostic to wireless protocols, we also extend it to Bluetooth Classic with only minimal code changes. In our evaluations, 5uGUE finds an average of 6.4 novel crashes and 1.6 unique crashes. In a nutshell, 5uGUE highlights that LLM agents are capable to operate effectively beyond software-in-the-loop settings, extending autonomous vulnerability discovery to the proprietary, hardware-bound systems that affect billions of end-user devices across multiple wireless protocols.
观测到的版本
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v2 · 2026-10-27 15:00 · 最新观测版本
5uGUE: Agentic Hardware-in-the-Loop Fuzzing for 5G Devices and beyond
In this paper, we present 5uGUE, a large language model (LLM)-driven hardware-in-the-loop agent, which enables the wireless fuzzing of 5G-enabled devices (such as mobile phones). 5uGUE combines multi-step reasoning with tool-assisted interaction and integrates into the fuzzing pipeline by leveraging specialized tools for internet search, 5G protocol analysis, memory management, and test-case execution. The agent iteratively generates test cases, executes them on targets, collects runtime feedback, and adaptively refines the fuzzing strategy. We evaluate 5uGUE on five commercial off-the-shelf (COTS) 5G devices across six LLMs. The best performing runs for 5uGUE trigger 167 crashes in total (141 novel and 31 unique) within 60 interaction turns (49 to 133 minutes total runtime). In contrast, the best runs for the state-of-the-art baseline (5GHOUL) discovers only 13 crashes in total (10 novel and 6 unique) within 150 minutes. Overall, by integrating LLM-driven agents, 5uGUE demonstrates significantly better crash discovery performance (12.8x total, 5.2x unique improvement). Notably, our experiments identified 46 unique crashes, 44 of which were confirmed by the vendors but had been previously reported. More importantly, MediaTek confirmed two previously unknown, high-severity vulnerabilities, one of which was assigned CVE-2026-20525. Finally, to demonstrate that 5uGUE is agnostic to wireless protocols, we also extend it to Bluetooth Classic with only minimal code changes. In our evaluations, 5uGUE finds an average of 6.4 novel crashes and 1.6 unique crashes. In a nutshell, 5uGUE highlights that LLM agents are capable to operate effectively beyond software-in-the-loop settings, extending autonomous vulnerability discovery to the proprietary, hardware-bound systems that affect billions of end-user devices across multiple wireless protocols.
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