Grandstream GXV3370 before 1.0.1.41 and WP820 before 1.0.3.6 devices allow remote authenticated users to execute arbitrary code via shell metacharacters in a /manager?action=getlogcat priority field.Referenceshttps://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=23920&dl=1https://github.com/scarvell/grandstream_exploits
