Buffer overflow in D-Link Dir-818l(w)
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. 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.797 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.652 · newest: 0.797 · change: +0.146
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/40805/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.kb.cert.org/vuls/id/677427 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.securityfocus.com/bid/94130 (VDB Entry, Third Party Advisory, vdb-entry)
- seclists.org/fulldisclosure/2016/Nov/38 (mailing-list, Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6563?
- CVE-2016-6563 is a critical-severity vulnerability in D-Link Dir-818l(w), classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2018-07-13.
- How severe is CVE-2016-6563?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-6563 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.