No exploitation reportedFix available

CVE-2024-21833

Q: Is CVE-2024-21833 actively exploited?

Active exploitation of CVE-2024-21833 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-21833?

CVE-2024-21833 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2024-01-11
Fixed inax3000(jp)_v1_1.1.2_build 20231115"
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute arbitrary OS commands. The affected device, with the initial configuration, allows login only from the LAN port or Wi-Fi.

Timeline

dates in UTC

2024-01-1100:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-21833?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-21833?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD

Tp-link archer ax3000

Branch	Affected	Fixed in	Source
1.0+	≥ 1.0, < ax3000(jp)_v1_1.1.2_build 20231115"	ax3000(jp)_v1_1.1.2_build 20231115"	CISA-ADP

Tp-link archer ax3000 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.1	< 1.1.2	1.1.2	NVD

Tp-link archer ax5400

Branch	Affected	Fixed in	Source
—	< ax5400(jp)_v1_1.1.2_build_20231115	ax5400(jp)_v1_1.1.2_build_20231115	CISA-ADP

7 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Tp-link archer ax3000 to ax3000(jp)_v1_1.1.2_build 20231115"

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-01-11
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.18.82024-11-06
NVDCVSS 3.18.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-782024-11-06
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2024-01-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2024-21833?

Is CVE-2024-21833 actively exploited?

Active exploitation of CVE-2024-21833 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-21833?

CVE-2024-21833 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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