Description
A vulnerability, which was classified as critical, has been found in TP-Link VN020 F3v(T) TT_V6.2.1021. Affected by this issue is some unknown functionality of the component DHCP DISCOVER Packet Parser. The manipulation of the argument hostname leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TP-Link | VN020 F3v(T) | TT_V6.2.1021 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- TP-Link VN020 F3v(T) TT_V6.2.1021) - DHCP Stack Buffer Overflow EDB-52292 · local · May 13, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-284672 | TP-Link VN020 F3v(T) DHCP DISCOVER Packet Parser TP-Thumper stack-based overflow vdb-entry technical-description
- VDB-284672 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #438408 | TP-Link VN020 F3v(T) ISP Routers Hardware Version: 1.0 / Firmware Version: TT_V6.2.1021 Stack-based Buffer Overflow third-party-advisory
- https://github.com/Zephkek/TP-Thumper related
- https://github.com/Zephkek/TP-Thumper/blob/main/poc.c exploit
- https://www.tp-link.com/ product