CVE-2026-5842

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 23.9% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-09 04:30Z4 MO AGO

Last updated

2026-04-13 19:59Z4 MO AGO

Reserved

2026-04-08

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-285Improper AuthorizationClass
• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.2

Document digest

4ef94eddbc5b9e0181d3ce5f9b9720999645e1cad82b0824a0b5efa504cc9e84

• vuldb.comVDB-356298 | decolua 9router Administrative API Endpoint api authorizationhttps://vuldb.com/vuln/356298vdb-entry
• vuldb.comVDB-356298 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/356298/ctisignaturepermissions-required
• vuldb.comSubmit #790003 | 9Router Router 0.3.47-0.3.32 Authorization Bypasshttps://vuldb.com/submit/790003third-party-advisory
• github.comhttps://github.com/decolua/9router/issues/431issue-tracking
• github.comhttps://github.com/decolua/9router/issues/431#issuecomment-4140163867issue-tracking
• github.comhttps://github.com/deepcat1337/Free_Api_Exploit/tree/mainexploit
• github.comhttps://github.com/decolua/9router/releases/tag/v0.3.75patch
• github.comhttps://github.com/decolua/9router/product