Vulnerabilities fixed in Synology SSL VPN Client

Synology has fixed vulnerabilities in Synology SSL VPN Client. A malicious party can exploit these vulnerabilities because Synology SSL VPN Client with version before 1.4.5-0684 stores PINs insecurely and does not adequately shield files via a local HTTP server component. This can lead to...

CVE-2021-47961: Plaintext Storage of a Password

A plaintext storage of a password vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access or influence the user's PIN code due to insecure storage. This may lead to unauthorized VPN configuration and potential interception of subsequent VPN traffic when combin...

CVE-2021-47960: Files or Directories Accessible to External Parties

A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access files within the installation directory via a local HTTP server bound to the loopback interface. By leveraging user interaction with a crafted web pag...

CVE-2026-4114

The SonicWall SMA1000 series appliances are vulnerable to a security flaw caused by the improper handling of Unicode encoding within the SSLVPN component . This vulnerability allows a remote authenticated SSLVPN admin to bypass AMC TOTP authentication . While specific affected software versions a...

Exploit for Out-of-bounds Write in Fortinet Fortiproxy

CVE-2023-27997 XORtigate Detection System نظام آلي للكشف عن...

Siemens APE1808 Insufficient Session Expiration (CVE-2025-25252)

An Insufficient Session Expiration vulnerability CWE-613 in FortiOS SSL VPN 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4 all versions may allow a remote attacker e.g. a former admin whose account was removed and whose session was terminated in possessi...

EUVD-2026-9439

A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to cause the device to reload...

CVE-2026-20106

Cisco Secure Firewall ASA/FTD Software vulnerability CVE-2026-20106 exposes Remote Access SSL VPN, HTTP management, and MUS functionality to unauthenticated, remote exploitation. The issue stems from insufficient input validation, allowing crafted packets to exhaust device memory and cause a DoS ...

CVE-2026-20039 Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

CVE-2026-20106: Missing Release of Memory after Effective Lifetime

A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of...

CVE-2026-20103: Allocation of Resources Without Limits or Throttling

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service DoS condition to n...

CVE-2026-20100: Buffer Copy without Checking Size of Input

A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to cause the device to reload...

CVE-2026-20105: Missing Release of Memory after Effective Lifetime

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of...

PT-2026-54538

Уязвимость сервера удаленного доступа Remote Access SSL VPN микропрограммного обеспечения межсетевых экранов Cisco Adaptive Security Appliance ASA и Cisco Secure Firewall Threat Defense FTD связана с неограниченным распределением ресурсов. Эксплуатация уязвимости может позволить нарушителю,...

SSL-VPN Symlink Persistence Patch Bypass

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Fortinet Fortigate SSL-VPN Symlink Persistence Patch Bypass (FG-IR-25-934)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-25-934 advisory. - An Exposure of Sensitive Information to an Unauthorized Actor vulnerability CWE-200 vulnerability in Fortinet FortiOS 7.6.0...

CVE-2009-4911

Unspecified vulnerability on Cisco Adaptive Security Appliances ASA 5580 series devices with software before 8.12 allows remote attackers to cause a denial of service device crash via vectors involving SSL VPN and PPPoE transactions, aka Bug ID CSCsm77958...

CVE-2022-35416

H3C SSL VPN through 2022-07-10 allows wnm/login/login.json svpnlang cookie XSS...

CVE-2022-35842

An exposure of sensitive information to an unauthorized actor vulnerabiltiy CWE-200 in FortiOS SSL-VPN versions 7.2.0, versions 7.0.0 through 7.0.6 and versions 6.4.0 through 6.4.9 may allow a remote unauthenticated attacker to gain information about LDAP and SAML settings configured in FortiOS...

CVE-2019-18177

In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint. This affects Citrix ADC and Citrix Gateway 13.0-58.30 and later releases before the CTX276688 update...