CVE-2022-40224
HighPublic exploitA denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1.
Published Feb 7, 2023 · Updated Mar 5, 2025
Key Facts
Patch immediately- CVE-2022-40224 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Sds-3008 Firmware (Moxa), Sds-3008-T Firmware (Moxa), SDS-3008 Series Industrial Ethernet Switch.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sds-3008 Firmware <=2.1, Sds-3008-T Firmware <=2.1, Sds-3008 Firmware 2.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted HTTP message header can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Sds-3008 FirmwareMoxa | See advisory | 2.1 |
| Sds-3008-T FirmwareMoxa | See advisory | 2.1 |
| SDS-3008 Series Industrial Ethernet Switch | >= 2.1 | n/a |
Patched Releases
Sds-3008 Firmware
<=2.1
Sds-3008-T Firmware
<=2.1
Timeline
Publicly disclosed
Feb 7, 2023
Last updated
Mar 5, 2025
Weakness Type
- CWE-410 Insufficient Resource Pool
References
FAQ
Common Questions.
A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1.
Affected: Sds-3008 Firmware (Moxa); Sds-3008-T Firmware (Moxa); SDS-3008 Series Industrial Ethernet Switch versions >= 2.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Sds-3008 Firmware <=2.1, Sds-3008-T Firmware <=2.1, Sds-3008 Firmware 2.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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