How severe is CVE-2024-39363?

CVE-2024-39363 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 48% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39363?

CVE-2024-39363 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39363?

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-2024-39363 have an EU (EUVD) identifier?

Yes. CVE-2024-39363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38366.

When was CVE-2024-39363 published?

CVE-2024-39363 was published on 2025-01-14 and last updated on 2026-06-17.

CVE-2024-39363

CVE-2024-39363 is a critical-severity vulnerability in Wavlink Wl-wn533a8 Firmware with a CVSS 3.x base score of 9.6. Its EPSS exploit-prediction score of 48% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-80.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 48% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38366
Weakness: CWE-80
Affected product: Wavlink Wl-wn533a8 Firmware
Published: 2025-01-14
Last modified: 2026-06-17

Description

A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2024-39363?: A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.
How severe is CVE-2024-39363?: CVE-2024-39363 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 48% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39363?: CVE-2024-39363 affects Wavlink Wl-wn533a8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39363?: 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-2024-39363 have an EU (EUVD) identifier?: Yes. CVE-2024-39363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38366.
When was CVE-2024-39363 published?: CVE-2024-39363 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:*:*:*:*:*:*:*

More vulnerabilities in Wavlink Wl-wn533a8 Firmware

CVE-2024-39761 — Critical (CVSS 10.0): Multiple OS command injection vulnerabilities exist in the login.cgi set_sys_init() functionality of Wavlink AC3000…
CVE-2024-39760 — Critical (CVSS 10.0): Multiple OS command injection vulnerabilities exist in the login.cgi set_sys_init() functionality of Wavlink AC3000…
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