Stack-based buffer overflow in DIR-825M - CVE-2026-82593
Published: September 2, 2026
Vulnerability identifier: #VU146740
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-2026-82593
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in LTE Module Firmware Upgrade handler within the "sub_41802C" function. A remote user can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
DIR-825M
How to mitigate CVE-2026-82593
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.