Out-of-bounds write in TN-4500B - CVE-2026-15579

 

Out-of-bounds write in TN-4500B - CVE-2026-15579

Published: September 21, 2026


Vulnerability identifier: #VU151521
CSH Severity: Medium
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-15579
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 improper validation of the username field length during Web login processing. A remote attacker can trigger an out-of-bounds write and perform a denial of service (DoS) attack.


Affected software

TN-4500B

How to mitigate CVE-2026-15579

Install updates from vendor's website.

TN-4500B - update to 2.1

External References

Related Security Bulletins