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Dwr 116 Firmware CVE-2018-10824

CRITICAL
Path Traversal (CWE-22)
2018-10-17 cve@mitre.org
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

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

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL + active threat signals, no patch available.
No patch listed yet 12.5% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered on D-Link DWR-116 through 1.06, DIR-140L through 1.02, DIR-640L through 1.02, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Affects your stack

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

Technical ContextAI · show details

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. An issue was discovered on D-Link DWR-116 through 1.06, DIR-140L through 1.02, DIR-640L through 1.02, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and DWR-111 through 1.01 devices. The administrative password is stored in plaintext in the /tmp/csman/0 file. An attacker having a directory traversal (or LFI) can easily get full router access. Affected products include: Dlink Dwr-116 Firmware, Dlink Dir-140L Firmware, Dlink Dir-640L Firmware, Dlink Dwr-512 Firmware, Dlink Dwr-712 Firmware. Version information: through 1.06.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/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
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

An issue was discovered on D-Link DWR-116 through 1.06, DIR-140L through 1.02, DIR-640L through 1.02, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and DWR-111 through 1.01 devices. The administrative password is stored in plaintext in the /tmp/csman/0 file. An attacker having a directory traversal (or LFI) can easily get full router access.

Threat Intelligence Overview

EPSS Score
12.5%
Top 4% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 12.5%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + active threat signals, no patch available
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
Yes
Human Impact· derived
Medium

Priority Score

81
Low Medium High Critical
KEV: 0
EPSS: +12
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)NVD

cpe:2.3:o:dlink:dwr-116_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-140l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-640l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-512_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-712_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-912_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-921_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dwr-111_firmware:*:*:*:*:*:*:*:*

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