{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/fireware-os-2025.1-version-2026.2-and-prior/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Fireware OS 2025.1 (version 2026.2 and prior)","Fireware OS 11.x (version 11.12.4_Update1 and prior)","Fireware OS 12.0 (version 12.12 and prior)","Fireware OS 12.5 (version 12.5.18 and prior)","Mobile VPN with SSL client for Windows (version 2026.2 and prior)"],"_cs_severities":["high"],"_cs_tags":["watchguard","vulnerability","network-device","vpn","privilege-escalation","remote-code-execution"],"_cs_type":"advisory","_cs_vendors":["WatchGuard"],"content_html":"\u003cp\u003eOn July 2, 2026, WatchGuard published security advisories detailing multiple critical vulnerabilities affecting its Fireware OS and Mobile VPN with SSL client for Windows. These vulnerabilities include a race condition and use-after-free flaw within the Mobile VPN with IKEv2 LDAP Authentication service on Firebox appliances, potentially allowing unauthenticated remote attackers to achieve arbitrary code execution. Additionally, a local privilege escalation vulnerability was identified in the Mobile VPN with SSL Windows client, which could enable a low-privileged local attacker to gain SYSTEM-level access. These issues pose significant risks to network integrity and endpoint security for organizations utilizing WatchGuard products, highlighting the urgent need for administrators to apply the recommended updates to prevent exploitation. The advisories, serial number AV26-649, emphasize the critical importance of patching.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eInitial Exposure\u003c/strong\u003e: A vulnerable WatchGuard Firebox appliance with its Mobile VPN with IKEv2 LDAP authentication service exposed to the internet is identified by an attacker.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eMalicious IKEv2 Request\u003c/strong\u003e: An unauthenticated remote attacker sends specially crafted IKEv2 LDAP authentication requests to the exposed Firebox service.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eVulnerability Trigger\u003c/strong\u003e: The crafted requests exploit a race condition and use-after-free vulnerability within the Firebox's operating system, leading to memory corruption.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eArbitrary Code Execution\u003c/strong\u003e: Successful exploitation of this vulnerability results in arbitrary code execution on the Firebox appliance, granting the attacker elevated privileges and control over the network gateway device.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eNetwork Compromise\u003c/strong\u003e: The attacker leverages the compromised Firebox to establish a foothold within the target organization's internal network or manipulate network security policies.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eLocal Client Exploitation\u003c/strong\u003e: Separately, an attacker with existing low-privileged access on a Windows workstation where the vulnerable Mobile VPN with SSL client is installed.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003ePrivilege Escalation\u003c/strong\u003e: The attacker executes a local exploit specifically targeting the privilege escalation vulnerability present within the VPN client software.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eSystem Control\u003c/strong\u003e: Successful exploitation of the client-side vulnerability grants the attacker SYSTEM-level privileges on the affected Windows workstation, allowing for full control, malware deployment, or data exfiltration.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities could lead to severe consequences for affected organizations. The remote code execution vulnerability in Firebox appliances allows an unauthenticated attacker to take complete control of the network gateway, potentially leading to unauthorized access to the internal network, disruption of services, or manipulation of firewall rules. The local privilege escalation vulnerability in the Windows client could allow an attacker who has already gained initial low-privileged access to a workstation to escalate privileges to SYSTEM, enabling them to install persistent malware, access sensitive data, or further compromise the system. While no specific victim count or targeted sectors were detailed in the advisory, organizations reliant on these WatchGuard products face a direct and immediate risk of compromise if patches are not applied.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReview the WatchGuard security advisories referenced in this brief for detailed instructions.\u003c/li\u003e\n\u003cli\u003eImmediately update all affected Fireware OS versions as specified in the WatchGuard advisories.\u003c/li\u003e\n\u003cli\u003eUpdate all installations of the Mobile VPN with SSL client for Windows to the latest patched version.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-03T14:39:33Z","date_published":"2026-07-03T14:39:33Z","id":"https://feed.craftedsignal.io/briefs/2026-07-watchguard-vulnerabilities/","summary":"WatchGuard has released security advisories to address critical vulnerabilities, including a race condition, use-after-free, and local privilege escalation, in its Fireware OS and Mobile VPN with SSL client for Windows, which could lead to remote code execution on appliances and local privilege escalation on client systems if not patched immediately.","title":"WatchGuard Firebox and Mobile VPN Client Vulnerabilities","url":"https://feed.craftedsignal.io/briefs/2026-07-watchguard-vulnerabilities/"}],"language":"en","title":"CraftedSignal Threat Feed - Fireware OS 2025.1 (Version 2026.2 and Prior)","version":"https://jsonfeed.org/version/1.1"}