CVE-2026-3040

4.7 MEDIUM
Published: February 23, 2026 Modified: February 26, 2026
View on NVD

Description

A vulnerability was identified in DrayTek Vigor 300B up to 1.5.1.6. This affects the function cgiGetFile of the file /cgi-bin/mainfunction.cgi/uploadlangs of the component Web Management Interface. The manipulation of the argument File leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor confirms that "300B is EoL, and this is an authenticated vulnerability. We don't plan to fix it." This vulnerability only affects products that are no longer supported by the maintainer.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/master-abc/cve/issues/42
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/?ctiid.347394
Source: cna@vuldb.com
Permissions Required Third Party Advisory VDB Entry
https://vuldb.com/?id.347394
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.757126
Source: cna@vuldb.com
Third Party Advisory VDB Entry

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.7 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

draytek