SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-15489

Multiple shell metacharacter injection vulnerabilities exist in CGI scripts, leading to remote code execution with root privileges.

CRITICAL 9.8EPSS 3.70%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple shell metacharacter injection vulnerabilities exist in CGI scripts, leading to remote code execution with root privileges.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.70% probability · 90th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
wavlink/wl-wn530hg4 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 3.70%26 October 202626 October 2026

EPSS 3.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.