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.
References (4)
Core 4
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.347394
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.347394
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.757126
Issue Tracking exploit
issue-tracking
https://github.com/master-abc/cve/issues/42
Scores
CVSS v3
4.7
EPSS
0.0910
EPSS Percentile
94.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-77
CWE-78
Status
published
Products (1)
draytek/vigor300b_firmware
< 1.5.1.6
Published
Feb 23, 2026
Tracked Since
Feb 23, 2026