CVE-2018-20336 - Vulnerability Details - OpenCVE

Description

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.

Published: 2019-09-17

Score: 7.5 High

EPSS: 1.7% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:asus:asuswrt-merlin:3.0.0.4.384.20308:*:*:*:*:*:*:*

cpe:2.3:h:asus:rt-ac68u:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-12894	An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.01733.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://starlabs.sg/advisories/18-20336/
https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/

History

No history.

Subscriptions

Asus Asuswrt-merlin Rt-ac68u

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-09-17T15:51:33.000Z

Updated: 2024-08-05T11:58:18.917Z

Reserved: 2018-12-21T00:00:00.000Z

Link: CVE-2018-20336

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-09-17T16:15:10.747

Modified: 2026-06-17T01:52:38.790

Link: CVE-2018-20336

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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