How severe is CVE-2022-2487?

CVE-2022-2487 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2487 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2487?

CVE-2022-2487 primarily affects Wavlink Wl-wn535k2 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-2022-2487?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-2487 published?

CVE-2022-2487 was published on 2022-07-20 and last updated on 2026-06-17.

CVE-2022-2487

CVE-2022-2487 is a high-severity vulnerability in Wavlink Wl-wn535k2 Firmware with a CVSS 3.x base score of 8.0. Its EPSS exploit-prediction score of 79% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 79% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Wavlink Wl-wn535k2 Firmware
Published: 2022-07-20
Last modified: 2026-06-17

Description

A vulnerability has been found in WAVLINK WN535K2 and WN535K3 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/nightled.cgi. The manipulation of the argument start_hour leads to os command injection. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2022-2487?: A vulnerability has been found in WAVLINK WN535K2 and WN535K3 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/nightled.cgi. The manipulation of the argument start_hour leads to os command injection. The exploit has been disclosed to the public and may be used.
How severe is CVE-2022-2487?: CVE-2022-2487 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2487 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2487?: CVE-2022-2487 primarily affects Wavlink Wl-wn535k2 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-2022-2487?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-2487 published?: CVE-2022-2487 was published on 2022-07-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:wavlink:wl-wn535k2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:wavlink:wl-wn535k3_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Wavlink Wl-wn535k2 Firmware

CVE-2022-2488 — High (CVSS 8.0): A vulnerability was found in WAVLINK WN535K2 and WN535K3 and classified as critical. This issue affects some unknown…
CVE-2022-2486 — High (CVSS 8.0): A vulnerability, which was classified as critical, was found in WAVLINK WN535K2 and WN535K3. This affects an unknown…

All CVEs affecting Wavlink Wl-wn535k2 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-100382 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia…
CVE-2026-77521 — Critical (CVSS 10.0): MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.5-lts, assistants with a tool, MCP tool,…
CVE-2026-82004 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-76197 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-76195 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…

Browse all CWE-78 (OS Command Injection) vulnerabilities →