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TI-2022-03934 Aliases CVE-2022-4296GHSA-ppxj-vprv-272m

TP-Link TL-WR740N ARP resource consumption

Priority MEDIUM 62CWE-404Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0031 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTL-WR740Nall versions—No fix listedCNA
  • TL-WR740N VendorTP-Link Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr740n:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
  • cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr740n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4296
  2. 2026-10-03 Alias added: GHSA-ppxj-vprv-272m

References

Exploit 1

  • TI-2023-16571 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… KEVCVSS 3.1HIGH 8.8
  • TI-2015-02672 Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317… KEVCVSS 3.1HIGH 7.5
  • TI-2023-27456 Authentication bypass by spoofing in TP-Link TL-WR841N KEVCVSS 3.1MEDIUM 6.5
  • TI-2023-18223 TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND… CVSS 3.1HIGH 7.5
  • TI-2023-16570 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… CVSS 3.1HIGH 8.1
  • TI-2023-16569 TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain… CVSS 3.1HIGH 8.1
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences