CVE-2016-7547
CRITICALCVE-2016-7547 is a critical-severity (CVSS 9.8) CWE-361 vulnerability in trendmicro threat discovery appliance. 4 public exploit references exist, so weaponization risk is real. O3 Security detects and blocks CVE-2016-7547 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.
A command execution flaw on the Trend Micro Threat Discovery Appliance 2.6.1062r1 exists with the timezone parameter in the admin_sys_time.cgi interface.
Description
A command execution flaw on the Trend Micro Threat Discovery Appliance 2.6.1062r1 exists with the timezone parameter in the admin_sys_time.cgi interface.
Affected Products
threat discovery appliancetrendmicroResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
A command execution flaw on the Trend Micro Threat Discovery Appliance 2…
A command execution flaw on the Trend Micro Threat Discovery Appliance 2…
A command execution flaw on the Trend Micro Threat Discovery Appliance 2…
Detection & mitigation playbook
Vendor / applianceDetect
Inventory every trendmicro threat discovery appliance deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.
Remediation status
No patch has shipped for CVE-2016-7547 yet — track the trendmicro threat discovery appliance advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.
How O3 protects you
O3 detects and blocks CVE-2016-7547 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.
Tailored to CVE-2016-7547. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2016-7547 being exploited in your environment?
O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2016-7547 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.