How severe is CVE-2020-13117?

CVE-2020-13117 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-2020-13117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13117?

CVE-2020-13117 primarily affects Wavlink Wn575a4 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-13117?

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.

When was CVE-2020-13117 published?

CVE-2020-13117 was published on 2021-02-09 and last updated on 2026-06-17.

CVE-2020-13117

CVE-2020-13117 is a critical-severity vulnerability in Wavlink Wn575a4 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 69% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 69% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Wavlink Wn575a4 Firmware
Published: 2021-02-09
Last modified: 2026-06-17

Description

Wavlink WN575A4, WN579X3, and WN530G3A devices through 2020-05-15 allow unauthenticated remote users to inject commands via the key parameter in a login request.

Frequently asked questions

What is CVE-2020-13117?: Wavlink WN575A4, WN579X3, and WN530G3A devices through 2020-05-15 allow unauthenticated remote users to inject commands via the key parameter in a login request.
How severe is CVE-2020-13117?: CVE-2020-13117 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-2020-13117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13117?: CVE-2020-13117 primarily affects Wavlink Wn575a4 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-13117?: 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.
When was CVE-2020-13117 published?: CVE-2020-13117 was published on 2021-02-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:wavlink:wn575a4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wavlink:wn579x3_firmware:*:*:*:*:*:*:*:*

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