CVE-2023-50225

TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR902AC routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the libcmm.so module. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-21819.

• CWE-121

• https://www.tp-link.com/ca/support/download/tl-wr902ac/v3/#FirmwareProduct
• https://www.zerodayinitiative.com/advisories/ZDI-23-1809/Third Party Advisory
• https://www.tp-link.com/ca/support/download/tl-wr902ac/v3/#FirmwareProduct
• https://www.zerodayinitiative.com/advisories/ZDI-23-1809/Third Party Advisory

Published

May 3, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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