https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2013-2781.htmlhttps://patchthecve.com/cve/CVE-2013-2781.htmlTue, 16 Jun 2026 23:53:57 +0000HIGH 10.0: Use-after-free vulnerability in the server application in 3S CODESYS Gateway 2.3.9.27 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via unspecified vectors.https://patchthecve.com/cve/CVE-2012-4708.htmlhttps://patchthecve.com/cve/CVE-2012-4708.htmlTue, 16 Jun 2026 23:45:36 +0000HIGH 10.0: Stack-based buffer overflow in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via a crafted packet.https://patchthecve.com/cve/CVE-2012-4707.htmlhttps://patchthecve.com/cve/CVE-2012-4707.htmlTue, 16 Jun 2026 23:45:36 +0000HIGH 10.0: 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via vectors that trigger an out-of-bounds memory access.https://patchthecve.com/cve/CVE-2012-4706.htmlhttps://patchthecve.com/cve/CVE-2012-4706.htmlTue, 16 Jun 2026 23:45:36 +0000HIGH 7.8: Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow.https://patchthecve.com/cve/CVE-2012-4705.htmlhttps://patchthecve.com/cve/CVE-2012-4705.htmlTue, 16 Jun 2026 23:45:36 +0000HIGH 10.0: Directory traversal vulnerability in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via vectors involving a crafted pathname.https://patchthecve.com/cve/CVE-2012-4704.htmlhttps://patchthecve.com/cve/CVE-2012-4704.htmlTue, 16 Jun 2026 23:45:36 +0000HIGH 10.0: Array index error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via a crafted packet.