Vulnerability details

CVE-2026-120197

Wavlink WL-WN530HG4B

WAVLINK WL-WN530HG4B wapi.cgi port_forward os command injection

CVSS 4.0

9.4Critical

Official description

A flaw has been found in WAVLINK WL-WN530HG4B M_V260724. This impacts the function port_forward of the file /cgi-bin/wapi.cgi. This manipulation of the argument Name causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CVSS scores

Score	Version	Source	Vector
9.4Critical	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`
9.9Critical	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.9Critical	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Wavlink	WL-WN530HG4B	M_V260724	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/429560 vdb-entrytechnical-description
https://vuldb.com/vuln/429560/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120197 third-party-advisory
https://vuldb.com/submit/917074 third-party-advisory
https://github.com/pipiyyb/cve/blob/main/WL-WN530HG4B.md exploit

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Details

Published: 2026-11-01
Last updated: 2026-11-02
State: Published
Assigner (CNA): VulDB
Kolun priority: 43 · Medium

Exploit prediction (EPSS)

1.68%

Probability of exploitation in 30 days

77.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-78
OS Command Injection
CWE-77
Command Injection