{"id":"CVE-2025-11837","published":"2026-01-02T15:51:28Z","modified":"2026-01-05T20:38:25Z","title":"Malware Remover","vendor":"QNAP Systems Inc.","product":"Malware Remover","tier":"core","eol":null,"affectedVersions":[{"vendor":"QNAP Systems Inc.","product":"Malware Remover","versions":[">= 6.6.x, < 6.6.8.20251023"]}],"description":{"text":"An improper control of generation of code vulnerability has been reported to affect Malware Remover. The remote attackers can then exploit the vulnerability to bypass protection mechanism.\n\nWe have already fixed the vulnerability in the following version:\nMalware Remover 6.6.8.20251023 and later","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":8.1,"severity":"HIGH","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.01523,"percentile":0.7457,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2026-06-17","exploitedFirstSeen":"2026-06-17","ransomware":false,"evidence":[{"url":"https://blog.xlab.qianxin.com/arystinger-botnet-hijacks-legacy-routers-for-global-attacks-en/","date":"2026-06-17"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":10,"pulses":[{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9d613ff7754c2e0fd02f","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9cf138b073b437f03825","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9cd5ff39c438f38be127","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9cd19dd1370ff4c716fa","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9cccdbd4ed3101d5c53c","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a3a9ccb346244bb7a26c4a9","created":"2026-06-23"},{"name":"EbeeJune2026 Pt3","url":"https://otx.alienvault.com/pulse/6a3a53661a63421e86d8ad43","created":"2026-06-23"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a337d5def878a52a37ba926","created":"2026-06-18"},{"name":"Invisible Sting: Over 4000 Outdated Routers Compromised by AryStinger, Becoming Global Attack Springboards for Hackers","url":"https://otx.alienvault.com/pulse/6a332459370e15b403bb6a4e","created":"2026-06-17"},{"name":"More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers","url":"https://otx.alienvault.com/pulse/6a32e3c65eeef62d1606b638","created":"2026-06-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-94","name":"Improper Control of Generation of Code"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-25-47","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-0672","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-0672","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-01-02","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2025-11837","provenance":"source"},{"date":"2026-06-17","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://blog.xlab.qianxin.com/arystinger-botnet-hijacks-legacy-routers-for-global-attacks-en/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":62.9,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 135 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":14.91,"detail":"percentile 0.7457"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":2.36,"detail":"10 pulses"},{"name":"CVSS severity","points":5.67,"detail":"base score 8.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}