CVE-2022-46428Network attack vector

Authenticated code execution via unverified firmware upload

Published Dec 20, 2022 · Updated Apr 16, 2025

Firmware integrity failure in TP-Link TL-WR1043ND V1 3.13.15 and earlier allows remote authenticated users to run code or interrupt service. The firmware update process accepts a crafted image without validating its integrity before installation. Administrative update access and user interaction are required; the uploaded image can replace trusted firmware or leave the router unavailable.

CVSS severity4.8
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Firmware integrity failure in TP-Link TL-WR1043ND V1 3.13.15 and earlier allows remote authenticated users to run code or interrupt service. The firmware update process accepts a crafted image without validating its integrity before installation. Administrative update access and user interaction are required; the uploaded image can replace trusted firmware or leave the router unavailable.

The record

CVE
CVE-2022-46428
Published
Dec 20, 2022
Updated
Apr 16, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-494, T1601.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 20, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
4.8CISA-ADPCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-494Download of Code Without Integrity Check
T1601.001Patch System Image

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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