Auth bypass in Wavlink Wn530hg4
CVE-2020-10973
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.076 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.076 · newest: 0.076 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973 (Third Party Advisory)
- github.com/sudo-jtcsec/Nyra (Broken Link)
- github.com/Roni-Carta/nyra (Third Party Advisory, Not Applicable)
- github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973-affected_devices (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10973?
- CVE-2020-10973 is a high-severity vulnerability in Wavlink Wn530hg4, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-05-07.
- How severe is CVE-2020-10973?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-10973 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.