CVE-2024-22733: TP Link MR200 V4 Firmware version 210201 was discovered to contain a null-pointer-dereference in the web admin

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HIGH 7.5REMOTEMITIGATE

CVE-2024-22733 is a high-severity flaw (CVSS 7.5) affecting mr200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TP Link MR200 V4 Firmware version 210201 was discovered to contain a null-pointer-dereference in the web administration panel on /cgi/login via the sign, Action or LoginStatus query parameters which could lead to a denial of service by a local or remote unauthenticated attacker.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-476
Published	2024-11-01
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

2024-11-01 16:15 UTCPublished CVE record published
2026-06-17 07:11 UTCUpdated Record last modified

tp-link mr200 firmware MITIGATE

Affected: 210201

Fixed in: no fixed release known

Safe to downgrade to: a release before 210201

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-2024-22733?

mr200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-22733 being exploited?

CVE-2024-22733 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-2024-22733 affect?

CVE-2024-22733 affects mr200 firmware. Severity is high (CVSS 7.5). TP Link MR200 V4 Firmware version 210201 was discovered to contain a null-pointer-dereference in the web administration panel on /cgi/login via the sign, Action or LoginStatus query parameters which could lead to a denial of service by a lo

How urgent is CVE-2024-22733?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

TP-Link vulnerabilities

References

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