CVE-2024-40890 KEV
8.8
HIGH · CVSS 3.1 · EPSS 20.7% (pctl 97)
Patch first
On CISA KEV — known exploited in the wild, due 2025-03-04.
Description
**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the CGI program of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device by sending a crafted HTTP POST request.
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 | 20.7% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2025-03-04 |
| Public exploit | none known |
| Published | 2025-02-04 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Zyxel DSL CPE OS Command Injection Vulnerability |
|---|---|
| Added | 2025-02-11 |
| Due | 2025-03-04 |
| Vendor / product | Zyxel / DSL CPE Devices |
| Ransomware use | none reported |
Affected (27)
| Vendor | Product |
|---|---|
| zyxel | sbg3300-n000 |
| zyxel | sbg3300-n000 firmware |
| zyxel | sbg3300-nb00 |
| zyxel | sbg3300-nb00 firmware |
| zyxel | sbg3500-n000 firmware |
| zyxel | sbg3500-nb00 |
| zyxel | sbg3500-nb00 firmware |
| zyxel | vmg1312-b10a |
| zyxel | vmg1312-b10a firmware |
| zyxel | vmg1312-b10b |
| zyxel | vmg1312-b10b firmware |
| zyxel | vmg1312-b10e |
| zyxel | vmg1312-b10e firmware |
| zyxel | vmg3312-b10a |
| zyxel | vmg3312-b10a firmware |
| zyxel | vmg3313-b10a |
| zyxel | vmg3313-b10a firmware |
| zyxel | vmg3926-b10b |
| zyxel | vmg3926-b10b firmware |
| zyxel | vmg4325-b10a |
| zyxel | vmg4325-b10a firmware |
| zyxel | vmg4380-b10a |
| zyxel | vmg4380-b10a firmware |
| zyxel | vmg8324-b10a |
| zyxel | vmg8324-b10a firmware |
| zyxel | vmg8924-b10a |
| zyxel | vmg8924-b10a firmware |
References
→ the Explorer · watch your stack · NVD