An exploitable remote code execution vulnerability exists in the iw_webs configuration parsing functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted user name entry can cause an overflow of an error message buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2019-0944 | third party advisory exploit technical description |