Description
Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers. The vulnerable XML fields within the SOAP body are: Action, Username, LoginPassword, and Captcha. The following products are affected: DIR-823, DIR-822, DIR-818L(W), DIR-895L, DIR-890L, DIR-885L, DIR-880L, DIR-868L, and DIR-850L.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| D-Link | DIR-823 | — | — |
| D-Link | DIR-822 | — | — |
| D-Link | DIR-818L(W) | — | — |
| D-Link | DIR-895L | — | — |
| D-Link | DIR-890L | — | — |
| D-Link | DIR-885L | — | — |
| D-Link | DIR-880L | — | — |
| D-Link | DIR-868L | — | — |
| D-Link | DIR-850L | — | — |
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
-
Dlink DIR Routers Unauthenticated HNAP Login Stack Buffer Overflow
exploit/linux/http/dlink_hnap_login_bof
Exploit-DB 1
- D-Link DIR-Series Routers - HNAP Login Stack Buffer Overflow (Metasploit) EDB-40805 · remote · Nov 21, 2016 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 40805 exploit
- VU#677427 third-party-advisory
- 94130 vdb-entry
- 20161107 [CVE-2016-6563 / VU#677427]: Dlink DIR routers HNAP Login stack buffer overflow mailing-list