{"id":"CVE-2026-101039","published":"2026-09-28T11:16:43.600","lastModified":"2026-09-28T15:16:04.793","description":"A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element of the component devdiscover Service. Such manipulation leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.","cvssScore":10,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-119","CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-copy_msg_element(2)","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-101039","tags":[]},{"url":"https://vuldb.com/submit/927251","tags":[]},{"url":"https://vuldb.com/vuln/410907","tags":[]},{"url":"https://vuldb.com/vuln/410907/cti","tags":[]}],"exploitRefs":[{"url":"https://github.com/xiaobor123/vuls-find-VxWorks/tree/main/vul-find-FAST_FAC1900R-copy_msg_element(2)","tags":[]}],"hasPoc":true,"ai":{"summary":"This vulnerability allows remote attackers to execute arbitrary code by exploiting a stack-based buffer overflow in the copy_msg_element function of the devdiscover Service in FAST FAC1900R 20190827_2.0.2, posing a critical risk.","exploitability":"Exploitation is relatively straightforward given the remote execution capability and publicly available exploit references.","blast_radius":"If exploited, this vulnerability could result in complete control of the affected device, leading to potential data loss, system compromise, and further propagation of the attack.","remediation":"Upgrade to FAST FAC1900R 20190827_2.0.3 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","buffer-overflow","remote-exploit","critical"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-29T08:45:57.874Z"}}