Vulnerability Report

CVE-2026-4544

Title: Wavlink WL-WN578W2 Cross-Site Scripting

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2026-4544.

CWE Category CWE-79
Published Date Mar 22, 2026
Modified Date Apr 30, 2026
Exploit Status Not Found
Score 1.9 CVSS v4.0
Exploit Probability (EPSS)
0.26%

Vulnerability Summary

CVE-2026-4544: A vulnerability was determined in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the argument homepage/hostname/login_page can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Impacted Vendors

W
wavlink 1

Reference Links

https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md https://vuldb.com/?ctiid.352361 https://vuldb.com/?id.352361 https://vuldb.com/?submit.774692 https://vuldb.com/?submit.774693 https://vuldb.com/?submit.774696
CVSS v4.0
Source Entity [email protected]
Severity LOW
1.9
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
PASSIVE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW VECTOR CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
3.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:M/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-4544 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction PASSIVE
CVSS Vector String CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.