THREATPORT/VULNERABILITY/CVE-2020-10973
HIGH SEVERITY

CVE-2020-10973

Wn530hg4 Firmware vulnerability

CVSS
7.5
EPSS
7.8%
EPSS pct
94th
Exploited
No known
An issue was discovered in Wavlink WN530HG4, Wavlink WN531G3, Wavlink WN533A8, and Wavlink WN551K1 affecting /cgi-bin/ExportAllSettings.sh where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.
Affected vendor
Wavlink
Affected product
Wn530hg4 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness type (CWE)
  • CWE-306 — Missing Authentication for Critical Function
Published
2020-05-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 7.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2020-10973

  • Confirm whether Wavlink Wn530hg4 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-10973.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-10973

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-10973 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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