SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-78799

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…

CRITICAL 9.8EPSS 1.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.31% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Source
cve@mitre.org
EPSS trend
0%3%5%14 October 2026: 0.45%26 October 2026: 1.31%14 October 202626 October 2026

EPSS moved from 0.5% on 14 October 2026 to 1.3% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.