CVE-2024-40891
Last modified
CVE-2024-40891 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. **UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands 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 via Telnet.. CISA has confirmed active exploitation in the wild. EPSS estimates a 19.41% chance of exploitation in the next 30 days.
Description
**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands 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 via Telnet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Vmg1312-B10a Firmware | All versions |
| Zyxel | Vmg1312-B10b Firmware | All versions |
| Zyxel | Vmg1312-B10e Firmware | All versions |
| Zyxel | Vmg3312-B10a Firmware | All versions |
| Zyxel | Vmg3313-B10a Firmware | All versions |
| Zyxel | Vmg3926-B10b Firmware | All versions |
| Zyxel | Vmg4325-B10a Firmware | All versions |
| Zyxel | Vmg4380-B10a Firmware | All versions |
| Zyxel | Vmg8324-B10a Firmware | All versions |
| Zyxel | Vmg8924-B10a Firmware | All versions |
| Zyxel | Sbg3300-N000 Firmware | All versions |
| Zyxel | Sbg3300-Nb00 Firmware | All versions |
| Zyxel | Sbg3500-N000 Firmware | All versions |
| Zyxel | Sbg3500-Nb00 Firmware | All versions |
References
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40891US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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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.
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