How severe is CVE-2024-21833?

CVE-2024-21833 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-21833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21833?

CVE-2024-21833 primarily affects Tp-link Archer Ax3000 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-21833 have an EU (EUVD) identifier?

Yes. CVE-2024-21833 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19445.

When was CVE-2024-21833 published?

CVE-2024-21833 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2024-21833

CVE-2024-21833 is a high-severity vulnerability in Tp-link Archer Ax3000 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19445
Weakness: CWE-78
Affected product: Tp-link Archer Ax3000 Firmware
Published: 2024-01-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-21833?: 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.
How severe is CVE-2024-21833?: CVE-2024-21833 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-21833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21833?: CVE-2024-21833 primarily affects Tp-link Archer Ax3000 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21833 have an EU (EUVD) identifier?: Yes. CVE-2024-21833 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19445.
When was CVE-2024-21833 published?: CVE-2024-21833 was published on 2024-01-11 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:tp-link:archer_ax3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_ax5400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:deco_x50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:deco_xe200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:archer_axe75_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Archer Ax3000 Firmware

CVE-2024-21773 — High (CVSS 8.8): Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product from the LAN…
CVE-2024-21821 — High (CVSS 8.0): Multiple TP-LINK products allow a network-adjacent authenticated attacker with access to the product from the LAN port…

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