CVE-2021-29280

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Published Aug 19, 2021 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed

Description

In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow

Affected Products

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:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-15917	In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.754% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/deadlysnowman3308/upgraded-ARP-Poisoning
https://hackingvila.wordpress.com/2021/04/28/upgraded-arp-poisoning-tool/

History

No history.

Subscriptions

Tp-link Tl-wr840n Tl-wr840n Firmware

Weaknesses

CWE-668

Sources

CVE record Updated: Aug 3, 2024, 10:02 PM

Status: PUBLISHED
Assigner: mitre
Published: Aug 19, 2021, 3:31 PM
Updated: Aug 3, 2024, 10:02 PM
Reserved: Mar 29, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:47 AM

Status: Modified
Published: Aug 19, 2021, 4:15 PM
Modified: Jun 17, 2026, 3:47 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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