CVE-2016-6563
Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 79.73% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 21 November 2016
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-119
- Affected
- dlink/dir-823 firmware · dlink/dir-822 firmware · dlink/dir-818l\(w\) firmware · dlink/dir-895l firmware · dlink/dir-890l firmware · dlink/dir-885l firmware · dlink/dir-880l firmware · dlink/dir-868l firmware · dlink/dir-850l firmware
- Source
- cret@cert.org
EPSS moved from 65.2% on 21 September 2026 to 79.7% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://seclists.org/fulldisclosure/2016/Nov/38Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94130Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/40805/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/677427Third Party Advisory, US Government Resource
- http://seclists.org/fulldisclosure/2016/Nov/38Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94130Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/40805/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/677427Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.