CVE-2021-45916

CVE-2021-45916 describes an improper input validation vulnerability in the programming function of the Shockwall system, specifically affecting smr shenwang_endpoint_protection_security_system. An authenticated attacker on the local network can exploit this to send malicious responses, leading to partial service disruption. Rated with a CVSS score of 3.5 (Low), this vulnerability requires authenticated access and local network proximity, resulting in low impact to availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.