CVE-2021-26747
9.8
CRITICAL · CVSS 3.1 · EPSS 54.8% (pctl 99)
Patch early
EPSS 54.8% — above the 10% action threshold.
Description
Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 54.78% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-02-18 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| netis-systems | wf2411 |
| netis-systems | wf2411 firmware |
| netis-systems | wf2780 |
| netis-systems | wf2780 firmware |
References
→ the Explorer · watch your stack · NVD