CVE-2026-15204 TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

EUVD-2026-42660

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

CVE-2026-15204

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

CVE-2026-15204 TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

CVE-2025-3110

A flaw in OpenVPN Access Server allows remote attackers to smuggle HTTP requests when the server operates behind a reverse proxy. The issue stems from the server accepting unstandardized bare line-feed sequences in HTTP headers. Mitigation To mitigate this issue, ensure that any reverse proxy...

OESA-2026-2918 openvpn security update

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the...

OESA-2026-2917 openvpn security update

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the...

CVE-2026-15204: Improper Limitation of a Pathname to a Restricted Directory

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

PT-2026-56891

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415 B20250515/9.1.0cu.2350 B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

OpenVPN 2.5.0 < 2.5.12 / 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Memory Leak DoS

According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by a denial of service vulnerability: - A memory leak in tls-crypt-v2 client key handling allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a deni...

OpenVPN 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Multiple Vulnerabilities

According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by multiple vulnerabilities: - A use-after-free bug in ackwritebuf, triggerable by a well-timed sequence of control channel and authentication packets. CVE-2026-12996 - A...

CVE-2025-3110

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

Updated openvpn packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Possible 1-byte buffer overrun on NTLMv2 proxy responses. CVE-2026-11771 Memory-leak in tls-crypt-v2 client key handling that could lead to out-of-memory situations and subsequent server crashes. CVE-2026-12932 Use-after-free bug in ackwritebuf,...

EUVD-2025-210441

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

CVE-2025-3110

CVE-2025-3110 affects OpenVPN Access Server 2.7.2 through 3.1.0, where the server accepts bare line-feed sequences inside HTTP header values, enabling HTTP request smuggling when deployed behind a reverse proxy. Red Hat’s advisory notes this flaw stems from unstandardized LF handling in HTTP head...

CVE-2025-3110

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

CVE-2025-3110

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

CVE-2025-3110

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

CVE-2026-40215

A flaw was found in OpenVPN that occurs when a connection is being established or updated. A remote attacker could exploit this timing issue to crash the OpenVPN server, causing a temporary service disruption Denial of Service. In some cases, it could also allow an attacker to view fragments of t...

CVE-2026-13122

A flaw was found in OpenVPN. A remote attacker can exploit this vulnerability by sending a malformed authentication token. This can trigger a reachable assertion when external authentication external-auth is enabled, leading to a Denial of Service DoS condition for the OpenVPN server. Mitigation ...