CVE-2026-4544 | Wavlink WL-WN578W2 221110 POST Request /cgi-bin/login.cgi homepage/hostname/login_page cross site scripting

VDB-352361 · CVE-2026-4544 · GCVE-100-352361 WAVLINK WL-WN578W2 221110 POST REQUEST /CGI-BIN/LOGIN.CGI HOMEPAGE/HOSTNAME/LOGIN_PAGE CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 2.2 $0-$5k 2.29+ Summaryinfo A vulnerability identified as problematic has been detected in Wavlink WL-WN578W2 221110. This impacts an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. The manipulation of the argument homepage/hostname/login_page leads to cross site scripting. This vulnerability is documented as CVE-2026-4544. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability, which was classified as problematic, has been found in Wavlink WL-WN578W2 221110. This issue affects some unknown functionality of the file /cgi-bin/login.cgi of the component POST Request Handler. The manipulation of the argument homepage/hostname/login_page with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-4544. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Wavlink Name WL-WN578W2 Version 221110 License commercial CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 2.4 VulDB Meta Temp Score: 2.2 VulDB Base Score: 2.4 VulDB Temp Score: 2.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-4544 (🔒) GCVE (CVE): GCVE-0-2026-4544 GCVE (VulDB): GCVE-100-352361 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 16:29 Changes: 03/21/2026 16:29 (57) Complete: 🔍 Submitter: LtzHuster Cache ID: 99:C58:101 Submitinfo Accepted Submit #774692: Wavlink WL-WN578W2 V221110 Cross Site Scripting (by LtzHuster) Duplicate Submit #XXXXXX: Xxxxxxx Xx-xxxxxxx Xxxxxxx Xxxxx Xxxx Xxxxxxxxx (by LtzHuster) Submit #XXXXXX: Xxxxxxx Xx-xxxxxxx Xxxxxxx Xxxxx Xxxx Xxxxxxxxx (by LtzHuster) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸