DrayTek Vigor2960 commonupload mainfunction.cgi unrestricted upload
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
A vulnerability was determined in DrayTek Vigor2960 1.5.1.6 Revision 8218. This issue affects some unknown processing of the file /cgi-bin/mainfunction.cgi of the component commonupload. Executing a manipulation of the argument upload_path/upload_name can lead to unrestricted upload. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 1.5.1.7 is capable of addressing this issue. It is advisable 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.
Text from CVE List
Affected versions 2
- Vigor2960affected: 1.5.1.6 Revision 8218CVE List
- Vigor2960unaffected: 1.5.1.7CVE List
References 6
- fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zipFixvia CVE List
- vuldb.com/cve/CVE-2026-113393Advisoryvia CVE List
- vuldb.com/submit/992246Advisoryvia CVE List
- github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0010-authenticated-commonupload-arbitrary-file-clobberExploitvia CVE List
- vuldb.com/vuln/422669Referencevia CVE List
- vuldb.com/vuln/422669/ctiReferencevia CVE List