CVE-2025-52379

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-15 · updated 2026-06-17
Weakness: CWE-78

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.

References

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

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