CVE-2026-78799: Directory Traversal vulnerability in Quanxun Huiju Network Technology (Beijing) Co., Ltd IK-Q3000 Enterprise-g

Q: How do I fix CVE-2026-78799?

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

Q: Is CVE-2026-78799 being exploited?

CVE-2026-78799 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-78799 affect?

CVE-2026-78799 affects affected software. Severity is critical (CVSS 9.8). Directory Traversal vulnerability in Quanxun Huiju Network Technology (Beijing) Co., Ltd IK-Q3000 Enterprise-grade Wi-Fi 6 wireless router Enterprise Edition: <= iKuai8_3.7.23_Enterprise Build 202606021825 - Free Edition: <= iKuai 8_4.0.304

Q: How urgent is CVE-2026-78799?

Priority 60/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTE

CVE-2026-78799 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal vulnerability in Quanxun Huiju Network Technology (Beijing) Co., Ltd IK-Q3000 Enterprise-grade Wi-Fi 6 wireless router Enterprise Edition: <= iKuai8_3.7.23_Enterprise Build 202606021825 - Free Edition: <= iKuai 8_4.0.304-beta allows a remote attacker to execute arbitrary code.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-10-13
Last modified	2026-10-16

Publisher (CNA): MITRE

Last updated 2026-10-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-13 17:17 UTCPublished CVE record published
2026-10-16 19:56 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · gcl · FIXED · 2.7.1-12.fc46 · FEDORA-2026-ff383a759b · source

sudo dnf upgrade --advisory=FEDORA-2026-ff383a759b

Fedora ELN · mozjs140 · FIXED · 140.13.0-5.eln159 · FEDORA-2026-f7ed0026e0 · source

sudo dnf upgrade --advisory=FEDORA-2026-f7ed0026e0

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-2026-78799?

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

Is CVE-2026-78799 being exploited?

CVE-2026-78799 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-2026-78799 affect?

CVE-2026-78799 affects affected software. Severity is critical (CVSS 9.8). Directory Traversal vulnerability in Quanxun Huiju Network Technology (Beijing) Co., Ltd IK-Q3000 Enterprise-grade Wi-Fi 6 wireless router Enterprise Edition: <= iKuai8_3.7.23_Enterprise Build 202606021825 - Free Edition: <= iKuai 8_4.0.304

How urgent is CVE-2026-78799?

Priority 60/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

References

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