CVE-2022-4296

TP-Link TL-WR740N ARP resource consumption

MEDIUM
5.5
CVSS Score
Published: December 6, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:20 AM UTC
3 products affected across 1 vendorTl WR740N FirmwareTl WR740NTL-WR740N

Using TL-WR740N by TP-Link?

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A vulnerability classified as problematic has been found in TP-Link TL-WR740N. Affected is an unknown function of the component ARP Handler. The manipulation leads to resource consumption. The attack needs to be done within the local network. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214812.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
tp-link-tl-wr740n (same device)
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitPermissions RequiredThird Party Advisory
https://www.youtube.com/watch?v=D--fb-cesmA

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-404

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