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CVE

CVE-2016-6563

Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D

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.

CRITICAL · CVSS 9.8 EPSS 0.84888
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

9
dlink dir-823 firmwareall versions
dlink dir-822 firmwareall versions
dlink dir-818l\(w\) firmwareall versions
dlink dir-895l firmwareall versions
dlink dir-890l firmwareall versions
dlink dir-885l firmwareall versions
dlink dir-880l firmwareall versions
dlink dir-868l firmwareall versions
⚠

Public Exploits & PoCs

2
remoteD-Link DIR-Series Routers - HNAP Login Stack Buffer Overflow (Metasploit)verified
pocwww.exploit-db.com · 40805www.exploit-db.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT D-Link Devices Home Network Administration Protocol Command Executionattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cret@cert.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jul 2018 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2016/Nov/38ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/94130Third Party AdvisoryVDB Entry
https://www.kb.cert.org/vuls/id/677427Third Party AdvisoryUS Government Resource
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