CVE-2023-1009 DrayTek Vigor 2960 Web Management Interface mainfunction.cgi sub_1DF14 path traversal

What is CVE-2023-1009?

CVE-2023-1009 is a medium-severity path traversal vulnerability in DrayTek Vigor 2960, published on 24 Feb 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5. Affected is the function sub_1DF14 of the file /cgi-bin/mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option with the input /../etc/passwd- leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-221742 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-22

Which versions are affected by CVE-2023-1009?

It affects 1 product.

Products include Draytek Vigor2960 Firmware.

How do I fix CVE-2023-1009?

No fix has been published for CVE-2023-1009 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-1009 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1009 exists.

Other vulnerabilities in DrayTek Vigor 2960

• CVE-2020-15415 DrayTek Multiple Vigor Routers OS Command Injection Exploited Critical 9.8
• CVE-2020-8515 Multiple DrayTek Vigor Routers Web Management Page Exploited Critical 9.8
• CVE-2024-12987 DrayTek Vigor Routers OS Command Injection Exploited Medium 6.9
• CVE-2021-42911 Other in n/a Critical 9.8
• CVE-2021-43118 Command injection in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jcwr-vr95-x32m.