CVE-2026-4544
Wavlink WL-WN578W2 POST Request login.cgi cross site scripting
Description
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.
INFO
Published Date :
March 22, 2026, 10:16 a.m.
Last Modified :
April 30, 2026, 4:33 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-4544
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Validate all user inputs.
- Sanitize user-supplied data.
- Apply vendor security patches when available.
- Restrict HTTP methods.
Public PoC/Exploit Available at Github
CVE-2026-4544 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4544.
| URL | Resource |
|---|---|
| https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md | Exploit Third Party Advisory |
| https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.352361 | Permissions Required VDB Entry |
| https://vuldb.com/?id.352361 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.774692 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.774693 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.774696 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4544 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4544
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
command injection
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4544 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4544 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration AND OR *cpe:2.3:o:wavlink:wl-wn578w2_firmware:221110:*:*:*:*:*:*:* OR cpe:2.3:h:wavlink:wl-wn578w2:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.352361 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.352361 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.774692 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.774693 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.774696 Types: Third Party Advisory, VDB Entry -
Data Remediation by [email protected]
Apr. 29, 2026
Action Type Old Value New Value Changed CVSS V4.0 Score 4.8 1.9 -
New CVE Received by [email protected]
Mar. 22, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N Added CVSS V2 (AV:N/AC:L/Au:M/C:N/I:P/A:N) Added CWE CWE-79 Added CWE CWE-94 Added Reference https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md Added Reference https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md Added Reference https://vuldb.com/?ctiid.352361 Added Reference https://vuldb.com/?id.352361 Added Reference https://vuldb.com/?submit.774692 Added Reference https://vuldb.com/?submit.774693 Added Reference https://vuldb.com/?submit.774696