CVE-2026-78009: Out-of-bounds Read

An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-78011: Integer Underflow (Wrap or Wraparound)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-51656

The TOTOLINK T6 router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the getVpnPassCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi to obtain sensitive VPN pass-through and WAN...

PT-2026-83221

Incorrect access control in the getVpnPassCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to obtain VPN pass-through and WAN ping filter settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-78011 Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19317 Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)

An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19317 Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)

An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-78011

CVE-2026-78011 is an integer underflow vulnerability in the iked process of WatchGuard Fireware OS . A remote unauthenticated attacker can trigger a Denial of Service (DoS) in VPN processing by sending specially crafted network traffic . The CVSS 4.0 score is 8.7 (HIGH) , with a network attack ve...

CVE-2026-78011 Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314 Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314 Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19314

CVE-2026-19314 is an integer underflow vulnerability in the iked process of WatchGuard Fireware OS . A remote unauthenticated attacker can trigger a Denial of Service condition in VPN processing by sending specially crafted network traffic , resulting in a high availability impact (CVSS 4.0: 8.7 ...

CVE-2026-19317

CVE-2026-19317 is an out-of-bounds read vulnerability in the iked process of WatchGuard Fireware OS , used for IPsec key exchange in VPN processing. A remote, unauthenticated attacker can trigger a Denial of Service condition by sending specially crafted network traffic, resulting in high impact ...

CVE-2026-78009 Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)

An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-78010 Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-19316 Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)

A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-78009

WatchGuard Fireware OS is affected by an out-of-bounds read vulnerability in the iked process. A remote, unauthenticated attacker can trigger a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic. The NVD scores this at CVSS 4.0: 8.7 (HIGH) , with netw...

CVE-2026-19316

CVE-2026-19316 is a double-free vulnerability in the iked process of WatchGuard Fireware OS , which handles VPN (IKE) processing. A remote unauthenticated attacker can trigger a Denial of Service condition by sending specially crafted network traffic, crashing the iked process. The CVSS 4.0 base ...

CVE-2026-19316 Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)

A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...

CVE-2026-78009 Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)

An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service DoS condition in VPN processing by sending specially crafted network traffic...