How severe is CVE-2026-2527?

CVE-2026-2527 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-2026-2527 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2527?

CVE-2026-2527 affects Wavlink Wl-wn579a3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2527?

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

Does CVE-2026-2527 have an EU (EUVD) identifier?

Yes. CVE-2026-2527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6134.

When was CVE-2026-2527 published?

CVE-2026-2527 was published on 2026-02-16 and last updated on 2026-06-17.

CVE-2026-2527

CVE-2026-2527 is a medium-severity vulnerability in Wavlink Wl-wn579a3 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: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6134
Weakness: CWE-77
Affected product: Wavlink Wl-wn579a3 Firmware
Published: 2026-02-16
Last modified: 2026-06-17

Description

A vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-2527?: A vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-2527?: CVE-2026-2527 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-2026-2527 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2527?: CVE-2026-2527 affects Wavlink Wl-wn579a3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2527?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2527 have an EU (EUVD) identifier?: Yes. CVE-2026-2527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6134.
When was CVE-2026-2527 published?: CVE-2026-2527 was published on 2026-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*

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