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CVE-2025-52379

MEDIUM
5.4
CVSS Score
Published: July 15, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:36 AM UTC
1 product affected across 1 vendorNcm X1800

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Severity
MEDIUM5.4
Exploit prediction
EPSS 16%
SSVC
PoC

Description

Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below contains an authenticated command injection vulnerability in the firmware update feature. The /web/um_fileName_set.cgi and /web/um_web_upgrade.cgi endpoints fail to properly sanitize the upgradeFileName parameter, allowing authenticated attackers to execute arbitrary OS commands on the device, resulting in remote code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ncm X1800· Nexxt
90%
v ≤ UV1.2.7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits
Source: [email protected]
https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits/blob/main/CVE-2025-52379/writeup.md

SSVC — Action Prioritization

SSVCPoCAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78

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