{"id":"CVE-2026-113391","published":"2026-10-20T13:16:40Z","modified":"2026-10-20T19:27:34Z","title":"A vulnerability has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218","vendor":"DrayTek","product":"Vigor2960","tier":"core","eol":null,"description":{"text":"A vulnerability has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This affects the function uploadlangs of the file /cgi-bin/mainfunction.cgi of the component Upload Endpoint. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.1.7 is able to mitigate this issue. It is recommended to upgrade the affected component. The vendor explains: \"2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)\". This vulnerability only affects products that are no longer supported by the maintainer.","provenance":"source","from":"NVD"},"summary":{"text":"A command injection flaw exists in the uploadlangs function of /cgi-bin/mainfunction.cgi, in the Upload Endpoint component of the DrayTek Vigor2960 router firmware, version 1.5.1.6 Revision 8218. An attacker with low-privilege authenticated access can exploit it remotely over the network, without user interaction, to inject commands that affect resources beyond the vulnerable component.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:16:02Z"},"cvss":{"score":9.9,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.02063,"percentile":0.81361,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-74","name":"Improper Neutralization of Special Elements in Output Used by a Downstream Component"},{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command"}],"references":[{"url":"https://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip","tags":[]},{"url":"https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0008-authenticated-upload-filename-command-injection","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-113391","tags":[]},{"url":"https://vuldb.com/submit/992244","tags":[]},{"url":"https://vuldb.com/vuln/422667","tags":[]},{"url":"https://vuldb.com/vuln/422667/cti","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-104990","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104990","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-20","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113391","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":23.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":16.27,"detail":"percentile 0.8136"},{"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":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.93,"detail":"base score 9.9"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}