CVE-2011-3992

CRITICAL

Buffer overflow in the SSH server functionality on the D-Link DES-3800 with firmware before 4.50B052, DWL-2100AP with firmware before 2.50RC548, and DWL-3200AP with firmware before 2.55RC549 allows...

Affects 6 products across 1 vendor.

BCS7.59
CVSS 2.010.0
EPSS5.5%
Percentile92th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2011. A critical vulnerability affects Dlink systems (CVE-2011-3992). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2011-GLOBAL-316961-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2011-3992?
This vulnerability was disclosed in 2011. A critical vulnerability affects Dlink systems (CVE-2011-3992). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2011-3992?
CVE-2011-3992 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 5.5%.
Is CVE-2011-3992 actively exploited?
No confirmed active exploitation of CVE-2011-3992 as of 2026-05-30.
How do I remediate CVE-2011-3992?
Priority: MEDIUM.
What systems are affected by CVE-2011-3992?
CVE-2011-3992 affects: Dlink, Dlink, Dlink, Dlink, Dlink, Dlink.
Vulnerability Details
CVE IDCVE-2011-3992
BSIDBS-2011-GLOBAL-316961-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2011-11-03
Last Modified2026-04-29
ICS Relevance90%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
Domains
NETWORK-INFRA
SourceNVD
Official Description

Buffer overflow in the SSH server functionality on the D-Link DES-3800 with firmware before 4.50B052, DWL-2100AP with firmware before 2.50RC548, and DWL-3200AP with firmware before 2.55RC549 allows remote attackers to execute arbitrary code or cause a denial of service via unspecified vectors.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Buffer overflow in the SSH server functionality on the D-Link DES-3800 with firmware before 4.50B052, DWL-2100AP with firmware before 2.50RC548, and DWL-3200AP with firmware before 2.55RC549 allows remote attackers to execute arbitrary code or cause a denial of service via unspecified vectors. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Dlink Des-3800 —
Dlink Des-3800 Firmware —
Dlink Dwl-2100Ap —
Dlink Dwl-2100Ap Firmware —
Dlink Dwl-3200Ap —
Dlink Dwl-3200Ap Firmware —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 5387 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash884e12c1440a1ba05e6e0b2b7a9288980f23bd836d8a249ecb69c11d7215d0267edc13550c7a8f383773c11f243a36bb4f106fbfe9e304b729b76ab2a6b4500e
Related CVEs affecting Dlink
CVE-2001-1220 10.0 D-Link DWL-1000AP Firmware 3.2.28 #483 Wireless LAN Access Point stores the a... CVE-2013-5946 10.0 The runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware b... CVE-2015-2052 10.0 Stack-based buffer overflow in the DIR-645 Wired/Wireless Router Rev. Ax with... CVE-2007-1435 10.0 Buffer overflow in D-Link TFTP Server 1.0 allows remote attackers to cause a ... CVE-2014-3936 10.0 Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Li...
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