activity
20242026
collaborators

5 papers

cs.AI2026

When Words Are Safe But Actions Kill: Probing Physical Jailbreak Beyond Textual Jailbreak in Hidden-State Risk Space

Weimeng Wang, Ziqiang Wang, Zihang Zhan +3

Large language models (LLMs) increasingly serve as high-level planners for embodied agents, where linguistically benign instructions can become unsafe once grounded in the physical…

cs.NI2025

FENIX: Enabling In-Network DNN Inference with FPGA-Enhanced Programmable Switches

Xiangyu Gao, Tong Li, Yinchao Zhang +4

Machine learning (ML) is increasingly used in network data planes for advanced traffic analysis, but existing solutions (such as FlowLens, N3IC, BoS) still struggle to simultaneous…

cs.CR2025

Off-Path TCP Exploits: PMTUD Breaks TCP Connection Isolation in IP Address Sharing Scenarios

Xuewei Feng, Zhaoxi Li, Qi Li +3

Path MTU Discovery (PMTUD) and IP address sharing are integral aspects of modern Internet infrastructure. In this paper, we investigate the security vulnerabilities associated with…

cs.CR2024

ReDAN: An Empirical Study on Remote DoS Attacks against NAT Networks

Xuewei Feng, Yuxiang Yang, Qi Li +6

In this paper, we conduct an empirical study on remote DoS attacks targeting NAT networks. We show that Internet attackers operating outside local NAT networks can remotely identif…

cs.NI2024

Off-Path TCP Hijacking in Wi-Fi Networks: A Packet-Size Side Channel Attack

Ziqiang Wang, Xuewei Feng, Qi Li +6

In this paper, we unveil a fundamental side channel in Wi-Fi networks, specifically the observable frame size, which can be exploited by attackers to conduct TCP hijacking attacks.…