CVE-2026-82332— Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session Hijacking
Quick assessment
Affected
WatchGuard Fireware OS
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 Fireware OS 的 AuthPoint 多因素认证（MFA）流程中存在身份验证不当的漏洞。该漏洞允许位于设备上的本地未认证攻击者，通过发送特制请求并诱导受害用户接受 MFA 推送通知，从而劫持其他用户正在进行的 MFA 会话。
Possible ATT&CK Techniques 1 AI
T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2026-82332
Vulnerability Information
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Vulnerability Title
Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session Hijacking
Source: CVE Program / CVE List V5
Vulnerability Description
An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted request and convincing the victim user to accept an MFA push notification.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 ~ 2026.4 | - |
|
II. Public POCs for CVE-2026-82332
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-82332 (1)
-
https://psirt.watchguard.com/CVE-2026-82332 vendor-advisory
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-2026-115495 | 5.7 MEDIUM | Mobile VPN with SSL Client for Windows: Cleartext Transmission of VPN Credentials over Loc |
IV. Related Vulnerabilities
Same product: Fireware OS
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CVE-2026-90465
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