CVE-2026-113395DrayTek Vigor2960 swmconfigupload mainfunction.cgi cgiEscape path traversal
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A security flaw has been discovered in DrayTek Vigor2960 1.5.1.6 Revision 8218. The affected element is the function cgiEscape of the file /cgi-bin/mainfunction.cgi of the component swmconfigupload. The manipulation of the argument multipart results in path traversal. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.5.1.7 is sufficient to fix this issue. The affected component should be upgraded. 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.
- CVSS
- 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
DrayTek Vigor2960 draytek:vigor2960_firmware | 1.5.1.6 Revision 8218; 1.5.1.7 not affected | CNA record |
References
- https://vuldb.com/vuln/422671vdb-entry, technical-description
- https://vuldb.com/vuln/422671/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-113395third-party-advisory
- https://vuldb.com/submit/992248third-party-advisory
- https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0012-authenticated-swmconfigupload-fieldname-path-traversal-clobberexploit
- https://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zippatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.