CVE-2018-18320
UnknownEPSS 5.24%
Last modified
CVE-2018-18320 is a vulnerability of currently unknown severity. An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. EPSS estimates a 5.24% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Asuswrt-Merlin Project | Rt-Ac5300 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt Ac1900p Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac68u Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac68p Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac88u Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac66u B1 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac56u Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac3200 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac68uf Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac87 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac3100 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac1900 Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac86u Firmware | <= 380.70 |
| Asuswrt-Merlin Project | Rt-Ac2900 Firmware | <= 380.70 |
References
- http://blog.51cto.com/010bjsoft/2298828Exploit, Third Party Advisory
- https://github.com/qoli/Merlin.PHP/issues/26Exploit, Third Party Advisory
- http://blog.51cto.com/010bjsoft/2298828Exploit, Third Party Advisory
- https://github.com/qoli/Merlin.PHP/issues/26Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18320?
An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution
How severe is CVE-2018-18320?
Severity scoring for CVE-2018-18320 is pending analysis. The EPSS model estimates a 5.24% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18320?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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