Improper privilege management in Inetutils - GNU network utilities - CVE-2026-28372
Published: August 19, 2026
Vulnerability identifier: #VU144358
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28372
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to improper handling of environment variables in telnetd when processing environment options with util-linux login systemd service credentials support. A remote attacker can pass crafted environment variables to escalate privileges.
Exploitation depends on util-linux login(1) support for systemd service credentials.
Affected software
Inetutils - GNU network utilities
LANTIME Operating System Firmware (LTOS)
LANTIME Operating System Firmware (LTOS)
How to mitigate CVE-2026-28372
Install security update from vendor's website.
Inetutils - GNU network utilities - update to 2.8
LANTIME Operating System Firmware (LTOS) - update to 7.10.012
LANTIME Operating System Firmware (LTOS) - update to 7.10.012