CVE-2026-18584

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 14.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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 2026-08-12.

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

2026-08-03 04:45Z1 MO AGO

Last updated

2026-08-03 15:37Z1 MO AGO

Reserved

2026-08-02

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-266Incorrect Privilege AssignmentBase
• CWE-285Improper AuthorizationClass

Data version

5.2

Document digest

cd0b122ca86538b3b2cc287bf3930b7a08b36785e21f8e78e89daa217bcbe7a0

• vuldb.comVDB-385413 | GL.iNet E5800/E750/X2000/X3000/XE3000/XE300 eSIM LPA API v1 improper authorizationhttps://vuldb.com/vuln/385413vdb-entry
• vuldb.comVDB-385413 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/385413/ctisignaturepermissions-required
• vuldb.comCVE-2026-18584 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-18584third-party-advisory
• vuldb.comSubmit #849283 | GL.iNet Router v4.8.1 unauthorizedhttps://vuldb.com/submit/849283third-party-advisory
• github.comhttps://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Unauthenticated%20access%20to%20eSIM%20LPA%20API%20via%20nginx%20proxy%20bypass.mdrelated