CVE-2026-4315 | WatchGuard Fireware OS up to 11.12.4+541730/12.5.17/12.11.8/2026.1.2 WebUI cross-site request forgery (wgsa-2026-00006 / EUVD-2026-17081)

VDB-354179 · CVE-2026-4315 · WGSA-2026-00006 WATCHGUARD FIREWARE OS UP TO 11.12.4+541730/12.5.17/12.11.8/2026.1.2 WEBUI CROSS-SITE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.3 $0-$5k 2.20+ Summaryinfo A vulnerability was found in WatchGuard Fireware OS up to 11.12.4+541730/12.5.17/12.11.8/2026.1.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the component WebUI. The manipulation leads to cross-site request forgery. This vulnerability is traded as CVE-2026-4315. It is possible to initiate the attack remotely. There is no exploit available. Detailsinfo A vulnerability, which was classified as problematic, has been found in WatchGuard Fireware OS up to 11.12.4+541730/12.5.17/12.11.8/2026.1.2. This issue affects an unknown function of the component WebUI. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. The summary by CVE is: A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.This issue affects Fireware OS: 11.8 through 11.12.4+541730, 12.0 through 12.11.8, and 2025.1 through 2026.1.2. It is possible to read the advisory at watchguard.com. The identification of this vulnerability is CVE-2026-4315 since 03/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17081). Productinfo Vendor WatchGuard Name Fireware OS Version 11.12.4+541730 12.5.0 12.5.1 12.5.2 12.5.3 12.5.4 12.5.5 12.5.6 12.5.7 12.5.8 12.5.9 12.5.10 12.5.11 12.5.12 12.5.13 12.5.14 12.5.15 12.5.16 12.5.17 12.11.0 12.11.1 12.11.2 12.11.3 12.11.4 12.11.5 12.11.6 12.11.7 12.11.8 2026.1.0 2026.1.1 2026.1.2 License commercial 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: 4.3 VulDB Meta Temp Score: 4.3 VulDB Base Score: 4.3 VulDB Temp Score: 4.3 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 request forgery CWE: CWE-352 / CWE-862 / CWE-863 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 03/17/2026 CVE reserved 03/30/2026 +12 days Advisory disclosed 03/30/2026 +0 days VulDB entry created 03/30/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wgsa-2026-00006 Status: Confirmed CVE: CVE-2026-4315 (🔒) GCVE (CVE): GCVE-0-2026-4315 GCVE (VulDB): GCVE-100-354179 EUVD: 🔒 Entryinfo Created: 03/30/2026 15:24 Updated: 03/30/2026 16:12 Changes: 03/30/2026 15:24 (66), 03/30/2026 16:12 (1) Complete: 🔍 Cache ID: 99:36D:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸