How severe is CVE-2022-34577?

CVE-2022-34577 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-2022-34577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34577?

CVE-2022-34577 affects Wavlink Wn535g3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34577?

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-2022-34577 published?

CVE-2022-34577 was published on 2022-07-25 and last updated on 2026-06-17.

CVE-2022-34577

CVE-2022-34577 is a critical-severity vulnerability in Wavlink Wn535g3 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wavlink Wn535g3 Firmware
Published: 2022-07-25
Last modified: 2026-06-17

Description

A vulnerability in adm.cgi of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to execute arbitrary code via a crafted POST request.

Frequently asked questions

What is CVE-2022-34577?: A vulnerability in adm.cgi of WAVLINK WN535 G3 M35G3R.V5030.180927 allows attackers to execute arbitrary code via a crafted POST request.
How severe is CVE-2022-34577?: CVE-2022-34577 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-2022-34577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34577?: CVE-2022-34577 affects Wavlink Wn535g3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34577?: 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-2022-34577 published?: CVE-2022-34577 was published on 2022-07-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wn535g3_firmware:m35g3r.v5030.180927:*:*:*:*:*:*:*

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