CVE-2018-18320
9.8
CRITICAL · CVSS 3.0 · EPSS 5.2% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.24% — more likely to be exploited than 92% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-10-15 |
| Last modified | 2026-06-17 |
Affected (28)
| Vendor | Product |
|---|---|
| asuswrt-merlin project | rt ac1900p |
| asuswrt-merlin project | rt ac1900p firmware |
| asuswrt-merlin project | rt-ac1900 |
| asuswrt-merlin project | rt-ac1900 firmware |
| asuswrt-merlin project | rt-ac2900 |
| asuswrt-merlin project | rt-ac2900 firmware |
| asuswrt-merlin project | rt-ac3100 |
| asuswrt-merlin project | rt-ac3100 firmware |
| asuswrt-merlin project | rt-ac3200 |
| asuswrt-merlin project | rt-ac3200 firmware |
| asuswrt-merlin project | rt-ac5300 |
| asuswrt-merlin project | rt-ac5300 firmware |
| asuswrt-merlin project | rt-ac56u |
| asuswrt-merlin project | rt-ac56u firmware |
| asuswrt-merlin project | rt-ac66u b1 |
| asuswrt-merlin project | rt-ac66u b1 firmware |
| asuswrt-merlin project | rt-ac68p |
| asuswrt-merlin project | rt-ac68p firmware |
| asuswrt-merlin project | rt-ac68u |
| asuswrt-merlin project | rt-ac68u firmware |
| asuswrt-merlin project | rt-ac68uf |
| asuswrt-merlin project | rt-ac68uf firmware |
| asuswrt-merlin project | rt-ac86u |
| asuswrt-merlin project | rt-ac86u firmware |
| asuswrt-merlin project | rt-ac87 |
| asuswrt-merlin project | rt-ac87 firmware |
| asuswrt-merlin project | rt-ac88u |
| asuswrt-merlin project | rt-ac88u firmware |
References
→ the Explorer · watch your stack · NVD