CVE-2026-129453
DrayTek Vigor2960 File Existence Check mainfunction.cgi check_file_exist heap-based overflow
Description
A vulnerability was found in DrayTek Vigor2960 1.5.1.6. This issue affects the function check_file_exist of the file /cgi-bin/mainfunction.cgi of the component File Existence Check. Performing a manipulation of the argument upload_name results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. Upgrading to version 1.5.1.7 is capable of addressing this issue. Upgrading the affected component is recommended. 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."
INFO
Published Date :
Nov. 15, 2026, 1:30 p.m.
Last Modified :
Nov. 15, 2026, 1:30 p.m.
Remotely Exploit :
No
Source :
VulDB
Affected Products
The following products are affected by CVE-2026-129453
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Solution
- Upgrade DrayTek Vigor2960 to version 1.5.1.7.
- Apply vendor-provided security updates.
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CVE-2026-129453 vulnerability anywhere in the article.