PT-2025-29565 · Nexxt Solutions · Nexxt Solutions Ncm-X1800 Mesh Router

Vagebondcur · Published 2025-07-15 · Updated 2025-07-15 · CVE-2025-52379

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nexxt Solutions NCM-X1800 Mesh Router firmware versions prior to UV1.2.7

Description Nexxt Solutions NCM-X1800 Mesh Router firmware contains an authenticated command injection issue in the firmware update feature. The /web/um fileName set.cgi and /web/um web upgrade.cgi API endpoints do not properly sanitize the upgradeFileName parameter. This allows authenticated attackers to execute arbitrary OS commands on the device, potentially leading to remote code execution.

Recommendations Update Nexxt Solutions NCM-X1800 Mesh Router firmware to version UV1.2.7 or later.

Exploit

Fix

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2025-52379

Affected Products

Nexxt Solutions Ncm-X1800 Mesh Router

References · 6

• 🔥 https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits/blob/main/CVE-2025-52379/writeup.md · Exploit
• 🔥 https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-52379 · Security Note
• https://twitter.com/CVEnew/status/1945140333542625548 · Twitter Post
• https://t.me/cvenotify/129082 · Telegram Post
• https://t.me/cvetracker/27863 · Telegram Post