PatchTheCVE: iec104 projecthttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2020-20486: IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.https://patchthecve.com/cve/CVE-2020-20486.htmlhttps://patchthecve.com/cve/CVE-2020-20486.htmlWed, 17 Jun 2026 03:03:01 +0000HIGH 7.5: IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.CVE-2020-18731: A segmentation violation in the Iec104_Deal_FirmUpdate function of IEC104 v1.0 allows attackers to cause a denhttps://patchthecve.com/cve/CVE-2020-18731.htmlhttps://patchthecve.com/cve/CVE-2020-18731.htmlWed, 17 Jun 2026 02:59:26 +0000HIGH 7.5: A segmentation violation in the Iec104_Deal_FirmUpdate function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).CVE-2020-18730: A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of sehttps://patchthecve.com/cve/CVE-2020-18730.htmlhttps://patchthecve.com/cve/CVE-2020-18730.htmlWed, 17 Jun 2026 02:59:26 +0000HIGH 7.5: A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).