CVE-2011-1563

The record

Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified "On_FC_BINFILE_FCS_*FILE", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.

Affected packages

Related vulnerabilities

• CVE-2026-112108 A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. CWE-119
• CVE-2026-112073 A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dc… CWE-119
• CVE-2026-90831 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90804 A vulnerability was detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90803 A security vulnerability has been detected in GNU Binutils 2.47. CWE-119
• CVE-2026-90801 A security flaw has been discovered in GNU Binutils 2.47. CWE-119
• CVE-2026-87933 A vulnerability was found in DaveGamble cJSON up to 1.7.19. CWE-119
• CVE-2026-87931 A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral… CWE-119