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. Th…

Vulnerability class: Buffer Overflow

EPSS: 0.799 (99.6th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (mailing-list, Exploit, x_refsource_FULLDISC, 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.