Out-of-bounds write in Era 300 - CVE-2026-4149
Published: March 19, 2026
Vulnerability identifier: #VU124121
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-4149
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error within the handling of the DataOffset field within SMB responses. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
Era 300
How to mitigate CVE-2026-4149
Install updates from vendor's website.
Era 300 - update to 83.1-61240