CVE-2016-6563

highpriority · attend · 77EPSS 0.797 · 100 %ileexploit · weaponizedUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

79.7% (100th) EPSS

CVSS 10 · high

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-121US

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/linux/http/dlink_hnap_login_bofDlink DIR Routers Unauthenticated HNAP Login Stack Buffer Overflowweaponized · metasploit
EDB-40805D-Link DIR-Series Routers - HNAP Login Stack Buffer Overflow (Metasploit)functional · exploit_db

affected products (9)

Products and version ranges known to be affected.

dlink dir-818l(w) firmwareall versionsnvdUScpe:2.3:o:dlink:dir-818l\(w\)_firmware:*:*:*:*:*:*:*:*
dlink dir-822 firmwareall versionsnvdUScpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
dlink dir-823 firmwareall versionsnvdUScpe:2.3:o:dlink:dir-823_firmware:*:*:*:*:*:*:*:*
dlink dir-850l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-850l_firmware:*:*:*:*:*:*:*:*
dlink dir-868l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
dlink dir-880l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-880l_firmware:*:*:*:*:*:*:*:*
dlink dir-885l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-885l_firmware:*:*:*:*:*:*:*:*
dlink dir-890l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*
dlink dir-895l firmwareall versionsnvdUScpe:2.3:o:dlink:dir-895l_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-13modified 2026-06-17

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+21023 more

references (13)

External citations — patches, advisories, analysis.

scry

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