How severe is CVE-2024-39273?

CVE-2024-39273 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39273?

CVE-2024-39273 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39273?

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-2024-39273 have an EU (EUVD) identifier?

Yes. CVE-2024-39273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38386.

When was CVE-2024-39273 published?

CVE-2024-39273 was published on 2025-01-14 and last updated on 2026-06-17.

CVE-2024-39273

CVE-2024-39273 is a critical-severity vulnerability in Wavlink Wl-wn533a8 Firmware with a CVSS 3.x base score of 9.0. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38386
Weakness: CWE-306
Affected product: Wavlink Wl-wn533a8 Firmware
Published: 2025-01-14
Last modified: 2026-06-17

Description

A firmware update vulnerability exists in the fw_check.sh functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary firmware update. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Frequently asked questions

What is CVE-2024-39273?: A firmware update vulnerability exists in the fw_check.sh functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary firmware update. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
How severe is CVE-2024-39273?: CVE-2024-39273 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39273?: CVE-2024-39273 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39273?: 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-2024-39273 have an EU (EUVD) identifier?: Yes. CVE-2024-39273 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38386.
When was CVE-2024-39273 published?: CVE-2024-39273 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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