Description
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Linksys WVBR0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management portal. The issue lies in the lack of proper validation of user data before executing a system call. An attacker could leverage this vulnerability to execute code with root privileges. Was ZDI-CAN-4892.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linksys | Linksys WVBR0 | WVBR0 | — |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Linksys WVBR0-25 User-Agent Command Execution
exploit/linux/http/linksys_wvbr0_user_agent_exec_noauth
Exploit-DB 2
- Linksys WVBR0-25 - User-Agent Command Execution (Metasploit) EDB-43429 · remote · Jan 4, 2018
- Linksys WVBR0 - 'User-Agent' Remote Command Injection EDB-43363 · webapps · Dec 14, 2017
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.