CVE-2026-34798 | Endian Firewall 3.3.25 Parameter /cgi-bin/routing.cgi remark cross site scripting

VDB-354898 · CVE-2026-34798 · GCVE-0-2026-34798 ENDIAN FIREWALL 3.3.25 PARAMETER /CGI-BIN/ROUTING.CGI REMARK CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.9 $0-$5k 0.42+ Summaryinfo A vulnerability described as problematic has been identified in Endian Firewall 3.3.25. Impacted is an unknown function of the file /cgi-bin/routing.cgi of the component Parameter Handler. Executing a manipulation of the argument remark can lead to cross site scripting. This vulnerability appears as CVE-2026-34798. The attack may be performed from remote. There is no available exploit. Detailsinfo A vulnerability classified as problematic was found in Endian Firewall 3.3.25. This vulnerability affects an unknown code block of the file /cgi-bin/routing.cgi of the component Parameter Handler. The manipulation of the argument remark with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes: Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /cgi-bin/routing.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page. The weakness was presented by Alex Williams. The advisory is available at help.endian.com. This vulnerability was named CVE-2026-34798 since 03/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Firewall Software Vendor Endian Name Firewall Version 3.3.25 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.9 VulDB Meta Temp Score: 4.9 VulDB Base Score: 3.5 VulDB Temp Score: 3.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.4 CNA Vector (VulnCheck): 🔒 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: 🔒 Status: Not defined 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 03/30/2026 CVE reserved 04/02/2026 +3 days Advisory disclosed 04/02/2026 +0 days VulDB entry created 04/02/2026 +0 days VulDB entry last update Sourcesinfo Advisory: help.endian.com Researcher: Alex Williams Status: Confirmed CVE: CVE-2026-34798 (🔒) GCVE (CVE): GCVE-0-2026-34798 GCVE (VulDB): GCVE-100-354898 Entryinfo Created: 04/02/2026 17:27 Changes: 04/02/2026 17:27 (78) Complete: 🔍 Cache ID: 99:54A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸