How severe is CVE-2026-8188?

CVE-2026-8188 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-8188 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8188?

CVE-2026-8188 affects Wavlink Wl-nu516u1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8188?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8188 have an EU (EUVD) identifier?

Yes. CVE-2026-8188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28915.

When was CVE-2026-8188 published?

CVE-2026-8188 was published on 2026-05-09 and last updated on 2026-06-17.

CVE-2026-8188

CVE-2026-8188 is a medium-severity vulnerability in Wavlink Wl-nu516u1 Firmware with a CVSS 3.x base score of 6.3. 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: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28915
Weakness: CWE-77
Affected product: Wavlink Wl-nu516u1 Firmware
Published: 2026-05-09
Last modified: 2026-06-17

Description

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

Frequently asked questions

What is CVE-2026-8188?: A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
How severe is CVE-2026-8188?: CVE-2026-8188 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-8188 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8188?: CVE-2026-8188 affects Wavlink Wl-nu516u1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8188?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8188 have an EU (EUVD) identifier?: Yes. CVE-2026-8188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28915.
When was CVE-2026-8188 published?: CVE-2026-8188 was published on 2026-05-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:*

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