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PHP CVE-2026-2151

HIGH
Command Injection (CWE-77)
2026-02-08 cna@vuldb.com
7.2
CVSS 3.1 · NVD
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Access router admin interface
  2. Exploit
    Navigate to DMZ Host settings
  3. Execution
    Inject OS commands in dmz_ipaddr parameter
  4. Impact
    Execute arbitrary commands as root

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

D-Link DIR-615 firmware version 4.10 with DMZ Host Feature enabled. Attacker requires valid administrative credentials to access adv_firewall.php. Device must be directly accessible over network with web interface exposed.

Impact

CVSS 7.2 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: High. User interaction: None. Exploitable via remote/network. Public exploit/POC available.

Exploit ScenarioDerived

A remote attacker could exploit this flaw, os command injection.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Remote code execution in D-Link DIR-615 firmware through os command injection via the dmz_ipaddr parameter in the DMZ Host Feature allows authenticated attackers to execute arbitrary commands with high privileges. Public exploit code exists for this vulnerability, which affects unsupported product versions with no available patch. The attack requires high-level authentication but can be launched over the network without user interaction.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 21:55 CVSS 7.2

A vulnerability has been found in D-Link DIR-615 4.10. This affects an unknown part of the file adv_firewall.php of the component DMZ Host Feature. [CVSS 7.2 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-77 (Command Injection). Affects Dir-615 Firmware. A vulnerability has been found in D-Link DIR-615 4.10. This affects an unknown part of the file adv_firewall.php of the component DMZ Host Feature. Such manipulation of the argument dmz_ipaddr  leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
PoC Detected
Feb 11, 2026 - 18:45 vuln.today
Public exploit code
CVE Published
Feb 08, 2026 - 12:15 nvd
HIGH 7.2

DescriptionCVE.org

A vulnerability has been found in D-Link DIR-615 4.10. This affects an unknown part of the file adv_firewall.php of the component DMZ Host Feature. Such manipulation of the argument dmz_ipaddr  leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Executive ViewAI

Why It Matters

A high-severity vulnerability in D-Link DIR-615 routers (CVE-2026-2151) affecting the DMZ Host feature poses a significant risk to organizations using this device, as public exploits are available and attackers can potentially bypass firewall controls. Organizations running affected D-Link DIR-615 4.10 models must take immediate action to mitigate exposure, as no patch is currently available from the vendor.

Business Impact: High
Compensating Controls

Disable the DMZ Host feature in the adv_firewall.php configuration if not required for operations; implement network segmentation to restrict lateral movement from compromised devices; deploy WAF rules to monitor and block suspicious firewall configuration requests; place affected routers behind an additional security appliance; enable detailed logging and alerting on firewall rule modifications; consider replacing the device with a newer D-Link model or alternative vendor solution until a patch becomes available.

Threat Intelligence Overview

EPSS Score
0.4%
Top 38% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

56
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:o:dlink:dir-615_firmware:4.10:*:*:*:*:*:*:*

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