VULNERABILITY INTELLIGENCE

CVE-2018-12257

CVSS score4.4 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2018-06-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Description

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in /etc/resolv.conf to the attacker's server, and serving the expected HTTPS response containing new firmware for the device to download.

Weakness classification

  • CWE-295: Improper Certificate Validation

Primary references