How severe is CVE-2022-34047?

CVE-2022-34047 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-34047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34047?

CVE-2022-34047 affects Wavlink Wl-wn530hg4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34047?

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-2022-34047 published?

CVE-2022-34047 was published on 2022-07-20 and last updated on 2026-06-17.

CVE-2022-34047

CVE-2022-34047 is a high-severity vulnerability in Wavlink Wl-wn530hg4 Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-668.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Wavlink Wl-wn530hg4 Firmware
Published: 2022-07-20
Last modified: 2026-06-17

Description

An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows attackers to obtain usernames and passwords via view-source:http://IP_ADDRESS/set_safety.shtml?r=52300 and searching for [var syspasswd].

Frequently asked questions

What is CVE-2022-34047?: An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows attackers to obtain usernames and passwords via view-source:http://IP_ADDRESS/set_safety.shtml?r=52300 and searching for [var syspasswd].
How severe is CVE-2022-34047?: CVE-2022-34047 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-34047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34047?: CVE-2022-34047 affects Wavlink Wl-wn530hg4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34047?: 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-2022-34047 published?: CVE-2022-34047 was published on 2022-07-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wl-wn530hg4_firmware:m30hg4.v5030.191116:*:*:*:*:*:*:*

More vulnerabilities in Wavlink Wl-wn530hg4 Firmware

CVE-2022-34045 — Critical (CVSS 9.8): Wavlink WN530HG4 M30HG4.V5030.191116 was discovered to contain a hardcoded encryption/decryption key for its…
CVE-2020-15490 — Critical (CVSS 9.8): An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple buffer overflow vulnerabilities…
CVE-2020-15489 — Critical (CVSS 9.8): An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple shell metacharacter injection…
CVE-2020-10971 — High (CVSS 8.8): An issue was discovered on Wavlink Jetstream devices where a crafted POST request can be sent to adm.cgi that will…
CVE-2022-48166 — High (CVSS 7.5): An access control issue in Wavlink WL-WN530HG4 M30HG4.V5030.201217 allows unauthenticated attackers to download…
CVE-2020-12266 — High (CVSS 7.5): An issue was discovered where there are multiple externally accessible pages that do not require any sort of…

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