CVE-2024-46340: TL-WR845N(UN)_V4_201214, TP-Link TL-WR845N(UN)_V4_200909, and TL-WR845N(UN)_V4_190219 was discovered to transm

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CRITICAL 9.8REMOTEMITIGATE

CVE-2024-46340 is a critical-severity flaw (CVSS 9.8) affecting tl-wr845n firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TL-WR845N(UN)_V4_201214, TP-Link TL-WR845N(UN)_V4_200909, and TL-WR845N(UN)_V4_190219 was discovered to transmit user credentials in plaintext after executing a factory reset.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-312
Published	2024-12-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tp-link

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-12-10 20:15 UTCPublished CVE record published
2026-06-17 07:55 UTCUpdated Record last modified

tp-link tl-wr845n firmware MITIGATE

Affected: 201214 · 200909 · 190219

Fixed in: no fixed release known

Safe to downgrade to: a release before 190219

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-46340?

tl-wr845n firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-46340 being exploited?

CVE-2024-46340 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-46340 affect?

CVE-2024-46340 affects tl-wr845n firmware. Severity is critical (CVSS 9.8). TL-WR845N(UN)_V4_201214, TP-Link TL-WR845N(UN)_V4_200909, and TL-WR845N(UN)_V4_190219 was discovered to transmit user credentials in plaintext after executing a factory reset.

How urgent is CVE-2024-46340?

Priority 46/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

TP-Link vulnerabilities

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References

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