{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2025-12686/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":9.8,"id":"CVE-2025-12686"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["BeeStation Manager (BSM) before 1.3.2-65648","BeeStation OS before 1.3.2-65648","AdminCenter"],"_cs_severities":["critical"],"_cs_tags":["cve-2025-12686","buffer-overflow","remote-code-execution","synology"],"_cs_type":"advisory","_cs_vendors":["Synology"],"content_html":"\u003cp\u003eCVE-2025-12686 describes a critical buffer overflow vulnerability affecting the AdminCenter component within Synology BeeStation Manager (BSM) and BeeStation OS. This vulnerability, present in versions prior to 1.3.2-65648, allows remote attackers to execute arbitrary code on the affected system. Due to insufficient input validation during buffer copying operations, an attacker can potentially overwrite memory regions, leading to arbitrary code execution. This vulnerability poses a significant risk to BeeStation devices, potentially allowing attackers to gain complete control of the device and any data stored on it.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable BeeStation device running a version of BeeStation Manager (BSM) or BeeStation OS prior to 1.3.2-65648.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious input designed to exploit the buffer overflow within the AdminCenter component. The specific attack vector is unspecified, but involves sending data to AdminCenter.\u003c/li\u003e\n\u003cli\u003eThe attacker sends the crafted input to the vulnerable AdminCenter component.\u003c/li\u003e\n\u003cli\u003eThe AdminCenter component processes the input without properly validating its size.\u003c/li\u003e\n\u003cli\u003eThe input overflows the allocated buffer during a copy operation, overwriting adjacent memory regions.\u003c/li\u003e\n\u003cli\u003eThe attacker overwrites critical memory locations, such as function return addresses or code pointers, with attacker-controlled values.\u003c/li\u003e\n\u003cli\u003eWhen the function attempts to return or execute the overwritten code pointer, control is transferred to the attacker\u0026rsquo;s code.\u003c/li\u003e\n\u003cli\u003eThe attacker executes arbitrary code on the BeeStation device, potentially gaining full system control.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2025-12686 allows a remote attacker to execute arbitrary code on a vulnerable Synology BeeStation device. This can lead to complete system compromise, including unauthorized access to sensitive data, modification of system settings, and the potential use of the device as a foothold for further attacks within the network. Given the high CVSS score of 9.8, the impact of this vulnerability is considered critical.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Synology BeeStation Manager (BSM) and BeeStation OS to version 1.3.2-65648 or later to patch CVE-2025-12686.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious activity targeting BeeStation devices, such as unusually large requests to AdminCenter, to potentially detect exploitation attempts.\u003c/li\u003e\n\u003cli\u003eDeploy the following Sigma rules to detect potential exploitation attempts (see below).\u003c/li\u003e\n\u003cli\u003eReview Synology\u0026rsquo;s security advisory Synology_SA_25_12 for further mitigation guidance.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-27T09:17:16Z","date_published":"2026-05-27T09:17:16Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2025-12686-beestation-overflow/","summary":"A buffer overflow vulnerability exists in the AdminCenter component of Synology BeeStation Manager (BSM) and BeeStation OS before version 1.3.2-65648, allowing remote attackers to execute arbitrary code through unspecified vectors (CVE-2025-12686).","title":"CVE-2025-12686 - Synology BeeStation Manager and OS AdminCenter Buffer Overflow Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2025-12686-beestation-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2025-12686","version":"https://jsonfeed.org/version/1.1"}