How severe is CVE-2025-50756?

CVE-2025-50756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-50756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50756?

CVE-2025-50756 affects Wavlink Wn535k3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50756?

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-2025-50756 have an EU (EUVD) identifier?

Yes. CVE-2025-50756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21351.

When was CVE-2025-50756 published?

CVE-2025-50756 was published on 2025-07-14 and last updated on 2026-06-17.

CVE-2025-50756

CVE-2025-50756 is a critical-severity vulnerability in Wavlink Wn535k3 Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21351
Weakness: CWE-77
Affected product: Wavlink Wn535k3 Firmware
Published: 2025-07-14
Last modified: 2026-06-17

Description

Wavlink WN535K3 20191010 was found to contain a command injection vulnerability in the set_sys_adm function via the newpass parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Frequently asked questions

What is CVE-2025-50756?: Wavlink WN535K3 20191010 was found to contain a command injection vulnerability in the set_sys_adm function via the newpass parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
How severe is CVE-2025-50756?: CVE-2025-50756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-50756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50756?: CVE-2025-50756 affects Wavlink Wn535k3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50756?: 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-2025-50756 have an EU (EUVD) identifier?: Yes. CVE-2025-50756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21351.
When was CVE-2025-50756 published?: CVE-2025-50756 was published on 2025-07-14 and last updated on 2026-06-17.

References

https://github.com/Summermu/VulnForIoT/tree/main/Wavlink_WN535K3/set_sys_adm_newpass/readme.md

Affected products (1)

cpe:2.3:o:wavlink:wn535k3_firmware:2019-10-10:*:*:*:*:*:*:*

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