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D-Link DHP-1320 CVE-2026-4529

| EUVD-2026-14260 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-03-21 VulDB GHSA-95m4-fmhv-g399
7.4
CVSS 4.0 · NVD
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NVD PRIMARY
7.4 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
Analysis Updated
Apr 30, 2026 - 16:44 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 30, 2026 - 16:37 vuln.today
cvss_changed
CVSS changed
Apr 30, 2026 - 16:37 NVD
8.8 (HIGH) 7.4 (HIGH)
PoC Detected
Mar 23, 2026 - 14:31 vuln.today
Public exploit code
EUVD ID Assigned
Mar 21, 2026 - 23:15 euvd
EUVD-2026-14260
Analysis Generated
Mar 21, 2026 - 23:15 vuln.today
CVE Published
Mar 21, 2026 - 23:02 nvd
HIGH 8.8

DescriptionCVE.org

A vulnerability was identified in D-Link DHP-1320 1.00WWB04. This affects the function redirect_count_down_page of the component SOAP Handler. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.

AnalysisAI

Stack-based buffer overflow in D-Link DHP-1320 PowerLine AV adapter (firmware 1.00WWB04) allows remote authenticated attackers to execute arbitrary code with full device control via malformed SOAP requests to the redirect_count_down_page function. Publicly available exploit code exists on GitHub (confirmed by VulDB). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Obtain valid credentials via default passwords or credential stuffing
Delivery
Access DHP-1320 web management interface
Exploit
Send crafted SOAP request to redirect_count_down_page
Install
Trigger stack buffer overflow
C2
Overwrite return address with shellcode location
Execute
Execute arbitrary code as device administrator
Impact
Install persistent backdoor
Step 8
Pivot to network-connected devices

Vulnerability AssessmentAI

Exploitation Remote exploitation requires valid authentication credentials to the DHP-1320 web management interface (CVSS PR:L indicating low-privilege user access sufficient). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk assessment presents conflicting signals requiring careful evaluation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker authenticated to the DHP-1320's web management interface (via default credentials, credential stuffing, or compromised local network access) sends a specially crafted SOAP request with oversized parameters to the redirect_count_down_page endpoint. The vulnerable function copies attacker-controlled data into a fixed-size stack buffer without length validation, overwriting the return address. …
Remediation No vendor-released patch exists or will be developed as D-Link discontinued the DHP-1320 product line and ended security support. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all D-Link DHP-1320 devices (firmware 1.00WWB04) on your network and document their business function. …

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CVE-2026-4529 vulnerability details – vuln.today

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