Patchfirst
CVE-2026-113391 Critical · 9.9 EPSS 2.1%

A vulnerability has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218

DrayTek · Vigor2960

Summary

A command injection flaw exists in the uploadlangs function of /cgi-bin/mainfunction.cgi, in the Upload Endpoint component of the DrayTek Vigor2960 router firmware, version 1.5.1.6 Revision 8218. An attacker with low-privilege authenticated access can exploit it remotely over the network, without user interaction, to inject commands that affect resources beyond the vulnerable component.

Official description · NVD

A vulnerability has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218. This affects the function uploadlangs of the file /cgi-bin/mainfunction.cgi of the component Upload Endpoint. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.1.7 is able to mitigate this issue. It is recommended to upgrade the affected component. 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.

Breakdown
25.1 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 20 Oct 2026. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 6 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

6 links, grouped by NVD tag
↑ ↓ chooseEnter openEsc close