CVE-2022-44149
HighExploitedPublic exploitThe web service on Nexxt Amp300 ARN02304U8 42.103.1.5095 and 80.103.2.5045 devices allows remote OS command execution by placing &telnetd in the JSON host field to the ping feature of the goform/sysTools component.
Published Jan 6, 2023 · Updated Apr 9, 2025
Key Facts
Patch immediately- CVE-2022-44149 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Amp300 Firmware (Nexxtsolutions).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jan 6, 2023. Public exploit code is available.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-44149 brief as a PDF
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Description
The web service on Nexxt Amp300 ARN02304U8 42.103.1.5095 and 80.103.2.5045 devices allows remote OS command execution by placing &telnetd in the JSON host field to the ping feature of the goform/sysTools component. Authentication is required
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jan 15, 2025 | n/a | Not reported |
| CIRCL KEV | Jan 6, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Amp300 FirmwareNexxtsolutions | 42.103.1.5095, 80.103.2.5045 | n/a |
Timeline
Publicly disclosed
Jan 6, 2023
Added to CIRCL KEV
Jan 6, 2023
Added to Industry KEV feed
Jan 15, 2025
Last updated
Apr 9, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://www.nexxtsolutions.com/connectivity/search/?q=ARN02304U8
- exploithttp://packetstormsecurity.com/files/170366/Nexxt-Router-Firmware-42.103.1.5095-Remote-Code-Execution.html
- exploithttp://packetstormsecurity.com/files/170366/Nexxt-Router-Firmware-80.103.2.5045-Remote-Code-Execution.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
The web service on Nexxt Amp300 ARN02304U8 42.103.1.5095 and 80.103.2.5045 devices allows remote OS command execution by placing &telnetd in the JSON host field to the ping feature of the goform/sysTools component.
Affected: Amp300 Firmware (Nexxtsolutions) versions 42.103.1.5095, 80.103.2.5045. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jan 6, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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