CVE-2017-6884 KEV EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 34.4% (pctl 98)
Patch first
On CISA KEV — known exploited in the wild, due 2023-10-09.
Description
A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 34.37% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2023-10-09 |
| Public exploit | yes |
| Published | 2017-04-06 |
| Last modified | 2026-08-04 |
CISA KEV
| Name | Zyxel EMG2926 Routers Command Injection Vulnerability |
|---|---|
| Added | 2023-09-18 |
| Due | 2023-10-09 |
| Vendor / product | Zyxel / EMG2926 Routers |
| Ransomware use | known |
Affected (2)
| Vendor | Product |
|---|---|
| zyxel | emg2926 |
| zyxel | emg2926 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Zyxel_ EMG2926 < V1.00(AAQT.4)b8 - OS Command Injection | 2017-04-02 |
References
→ the Explorer · watch your stack · NVD