How severe is CVE-2024-21773?

CVE-2024-21773 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-2024-21773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21773?

CVE-2024-21773 primarily affects Tp-link Archer Ax3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21773?

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-2024-21773 have an EU (EUVD) identifier?

Yes. CVE-2024-21773 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19387.

When was CVE-2024-21773 published?

CVE-2024-21773 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2024-21773

CVE-2024-21773 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% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19387
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 from the LAN port or Wi-Fi to execute arbitrary OS commands on the product that has pre-specified target devices and blocked URLs in parental control settings.

Frequently asked questions

What is CVE-2024-21773?: Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product from the LAN port or Wi-Fi to execute arbitrary OS commands on the product that has pre-specified target devices and blocked URLs in parental control settings.
How severe is CVE-2024-21773?: CVE-2024-21773 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-2024-21773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21773?: CVE-2024-21773 primarily affects Tp-link Archer Ax3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21773?: 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-2024-21773 have an EU (EUVD) identifier?: Yes. CVE-2024-21773 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19387.
When was CVE-2024-21773 published?: CVE-2024-21773 was published on 2024-01-11 and last updated on 2026-06-17.

References

Affected products (4)

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:*:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Archer Ax3000 Firmware

CVE-2024-21833 — High (CVSS 8.8): Multiple TP-LINK products allow a network-adjacent unauthenticated attacker with access to the product to execute…
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