CVE-2026-113390 DrayTek Vigor2960 CGI mainfunction.cgi sub_182B0 os command injection
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113390?
CVE-2026-113390 is a critical vulnerability in DrayTek Vigor2960, published on 20 Oct 2026.
Official description
A flaw has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. Affected by this issue is the function sub_182B0 of the file /cgi-bin/mainfunction.cgi of the component CGI Interface. This manipulation of the argument usefile/usescript/option causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)". This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-113390?
How do I fix CVE-2026-113390?
No fix has been published for CVE-2026-113390 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113390 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-113390 exists.
Sources
Also known as GHSA-r5pp-rj98-9f7m.