CVE-2026-113391: A vulnerability has been found in DrayTek Vigor2960 1.5.1.6 Revision 8218

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CRITICAL 9.9

CVE-2026-113391 is a critical-severity flaw (CVSS 9.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 ve

Why this priority

Critical severity
CISA SSVC: public proof of concept

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-10-20
Last modified	2026-10-20

Publisher (CNA): VulDB

Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-20 13:16 UTCPublished CVE record published
2026-10-20 19:27 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · selenium-manager · FIXED · 4.45.0-3.fc46 · FEDORA-2026-0af4ceb64a · source

sudo dnf upgrade --advisory=FEDORA-2026-0af4ceb64a

Fedora ELN · libdnf · FIXED · 0.76.0-2.eln159 · FEDORA-2026-dbd263e9d4 · source

sudo dnf upgrade --advisory=FEDORA-2026-dbd263e9d4

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-113391?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-113391 being exploited?

CVE-2026-113391 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-113391 affect?

CVE-2026-113391 affects affected software. Severity is critical (CVSS 9.9). 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 attac

How urgent is CVE-2026-113391?

Priority 58/100. Critical severity; CISA SSVC: public proof of concept

References

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