CVE-2026-3040

LOW EPSS 94.7%
Published Feb 23, 20264mo ago · Modified Apr 29, 20262mo ago
2.0 CVSS 4.0
Low
Find Similar
Published Feb 23, 2026 4mo ago
Last Modified Apr 29, 2026 2mo ago

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.

CVSS Details

Base Score
2.0
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
94.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

Affected Products 2

VendorProductVersionRange
draytekvigor300b_firmware* ≤1.5.1.6
draytekvigor300b*any

References 4

  • github.com https://github.com/master-abc/cve/issues/42
    ExploitIssue Tracking
  • vuldb.com https://vuldb.com/?ctiid.347394
    Permissions RequiredThird Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?id.347394
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.757126
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.