How severe is CVE-2024-21797?

CVE-2024-21797 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-21797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21797?

CVE-2024-21797 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21797?

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

Does CVE-2024-21797 have an EU (EUVD) identifier?

Yes. CVE-2024-21797 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34423.

When was CVE-2024-21797 published?

CVE-2024-21797 was published on 2025-01-14 and last updated on 2026-06-17.

CVE-2024-21797

CVE-2024-21797 is a critical-severity vulnerability in Wavlink Wl-wn533a8 Firmware with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34423
Weakness: CWE-74
Affected product: Wavlink Wl-wn533a8 Firmware
Published: 2025-01-14
Last modified: 2026-06-17

Description

A command execution vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2024-21797?: A command execution vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
How severe is CVE-2024-21797?: CVE-2024-21797 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-21797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21797?: CVE-2024-21797 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-21797 have an EU (EUVD) identifier?: Yes. CVE-2024-21797 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34423.
When was CVE-2024-21797 published?: CVE-2024-21797 was published on 2025-01-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wl-wn533a8_firmware:m33a8.v5030.210505:*:*:*:*:*:*:*

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