Buffer overflow in Wavlink Wn530h4
CVE-2020-12125
A remote buffer overflow vulnerability in the /cgi-bin/makeRequest.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary machine instructions as root without authentication.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Wavlink Wn530h4
- Wavlink Wn530h4 Firmware — versions m30h4.v5030.190403
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wavlink.com/en_us/product/WL-WN530H4.html (Product, Vendor Advisory)
- cerne.xyz/bugs/CVE-2020-12125 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12125?
- CVE-2020-12125 is a critical-severity vulnerability in Wavlink Wn530h4, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-10-02.
- How severe is CVE-2020-12125?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-12125 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.