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CVE-2026-115495— Mobile VPN with SSL Client for Windows: Cleartext Transmission of VPN Credentials over Local Management Socket

Quick assessment

Affected
WatchGuard Mobile VPN with SSL Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WatchGuard Mobile VPN 的 Windows SSL 客户端存在敏感信息明文传输漏洞。该漏洞允许能够捕获回环（loopback）流量的本地攻击者获取用户的 VPN 用户名和密码。

CVSS 5.7 · Medium
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I. Basic Information for CVE-2026-115495

Vulnerability Information
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Vulnerability Title
Mobile VPN with SSL Client for Windows: Cleartext Transmission of VPN Credentials over Local Management Socket
Source: CVE Program / CVE List V5
Vulnerability Description
Cleartext Transmission of Sensitive Information vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker who can capture loopback traffic to obtain the user’s VPN username and password.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WatchGuard Mobile VPN with SSL Client 12.0 ~ 2026.4 -

II. Public POCs for CVE-2026-115495

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III. Intelligence Information for CVE-2026-115495

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Other References for CVE-2026-115495 (1)

Same Patch Batch · WatchGuard · 2026-10-27 · 18 CVEs total

CVE-2026-103594 9.5 CRITICAL Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution
CVE-2026-112709 9.2 CRITICAL Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Re
CVE-2026-93865 9.2 CRITICAL Fireware OS Missing Authentication in FireCluster Sync Daemon Allows Remote Root Action In
CVE-2026-93857 9.2 CRITICAL Fireware OS Pre-Authentication Stack Buffer Overflow in SIP Proxy Allows Remote Code Execu
CVE-2026-93866 9.2 CRITICAL Fireware OS Pre-Authentication Integer Overflow in Access Portal Allows Out-of-Bounds Writ
CVE-2026-112710 9.2 CRITICAL Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Re
CVE-2026-103593 9.1 CRITICAL Fireware OS Stack Buffer Overflow in Logging Service Allows Remote Code Execution
CVE-2026-111107 8.7 HIGH Fireware OS NULL Pointer Dereference in Management Interface Allows Unauthenticated Denial
CVE-2026-90465 8.7 HIGH Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation
CVE-2026-93434 8.7 HIGH Fireware OS XPath Injection in SSH Authentication Allows Blind Extraction of Configuration
CVE-2026-90442 8.6 HIGH Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of Service
CVE-2026-93862 7.2 HIGH Fireware OS Out-of-Bounds Read in FireCluster Sync Allows Denial of Service
CVE-2026-90464 7.2 HIGH Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as
CVE-2026-93864 7.1 HIGH Fireware OS Link Following in firewalld Allows Local Arbitrary File Overwrite as Root
CVE-2026-113881 6.1 MEDIUM Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Co
CVE-2026-104381 6.0 MEDIUM Fireware OS Missing Authentication in FireCluster State Sync Allows BOVPN Tunnel Denial of
CVE-2026-82332 5.6 MEDIUM Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session Hijacking

IV. Related Vulnerabilities

Same product: Mobile VPN with SSL Client
Same vendor: WatchGuard
Same weakness: CWE-319