CVE-2026-129450
DrayTek Vigor2960 mainfunction.cgi sub_1E084 path traversal
- Critical 9.9
- A public exploit reference is listed
Description
A vulnerability was detected in DrayTek Vigor2960 1.5.1.6. Affected by this issue is the function sub_1E084 of the file /cgi-bin/mainfunction.cgi?action=doWebBackup. The manipulation of the argument option results in path traversal. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 1.5.1.7 can resolve this issue. You should upgrade the affected component. The vendor recommends: "1.5.1.6 isn't the latest version of 2960, the latest version fixes many security issues. And we have another one in our release plan which should solve the issues reported."
Key facts
- Published
- 15 Nov 2026
- Last changed
- 15 Nov 2026
- Assigned by
- VulDB
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.4CVSS 4.0, Criticalfrom the CNA (VulDB)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P - 9.9CVSS 3.1, Criticalfrom the CNA (VulDB)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - 9.9CVSS 3.0, Criticalfrom the CNA (VulDB)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C - 9.0CVSS 2.0, Highfrom the CNA (VulDB)
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| DrayTek | Vigor2960 |
|
Timeline
- 14 Nov 2026 Advisory disclosed
- 14 Nov 2026 VulDB entry created
- 14 Nov 2026 VulDB entry last update
- 15 Nov 2026 Published
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on Path traversal (CWE-22).
References
- VDB-437461 | DrayTek Vigor2960 mainfunction.cgi sub_1E084 path traversal
- VDB-437461 | CTI Indicators (IOB, IOC, TTP, IOA)
- CVE-2026-129450 | CVE Analysis and Report
- Submit #1044958 | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated doWebBackup Path Traversal and Archive Command Inj
- github.com
- fw.draytek.com.tw