CVE Intelligence
Medium Memory corruption

CVE-2026-18585 — GL.iNet MT2500 APPS-NAS nas-web.get_file_list heap-based overflow

A vulnerability was detected in GL.iNet MT3000, MT6000, BE9300, BE3600, MT3600BE, E5800, BE6500, MT5000, X3000, XE3000 and MT2500 up to 20260707. The affected element is the function nas-web.get_file_list of the component APPS-NAS Module. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Published Aug 3, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: VulDB

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 0.5% (30-day exploitation probability)+6
  • Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
0.51%
ahead of 42% of scored CVEs · Oct 15, 2026
Affects
GL.iNet
BE3600 and 10 more
CVSS base
4.3
Medium · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (GL.iNet BE3600, GL.iNet BE6500, GL.iNet BE9300…).
  2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  3. Search available logs for exploit probes matching the vulnerability class (memory corruption), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
GL.iNet BE3600 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet BE6500 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet BE9300 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet E5800 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet MT2500 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet MT3000 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet MT3600BE version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet MT5000 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet MT6000 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet X3000 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP
GL.iNet XE3000 version 20260707 Vulnerable CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
5.3 CVSS 4.0 Medium — — cna@vuldb.com via NIST National Vulnerability Database
5.3 CVSS 4.0 Medium — — VulDB via CVE Program (cve.org) e CISA ADP
4.3 CVSS 3.1 Medium 2.8 1.4 cna@vuldb.com via NIST National Vulnerability Database
4.3 CVSS 3.1 Medium — — VulDB via CVE Program (cve.org) e CISA ADP
4.3 CVSS 3.0 Medium — — VulDB via CVE Program (cve.org) e CISA ADP
4.0 CVSS 2.0 Medium 8.0 2.9 cna@vuldb.com via NIST National Vulnerability Database
4.0 CVSS 2.0 Medium — — VulDB via CVE Program (cve.org) e CISA ADP
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (score shown at the top: cna@vuldb.com)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-119 · Buffer Errors (Improper Restriction of Operations within Memory Bounds)

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
  • Correlate service crashes/restarts with inbound traffic; repeated crashes may indicate attempts.
web/proxy/WAF logsnetwork IDS/IPSendpoint telemetry (EDR)crash dumps

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · gl.inet/mt3000, gl.inet/mt6000, gl.inet/be9300, gl.inet/be3600, gl.inet/mt3600be, gl.inet/e5800, gl.inet/be6500, gl.inet
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 15, 2026
  • CVSS changed · 4.3
    Oct 15, 2026 · NIST National Vulnerability Database
  • Source status changed · → Deferred
    Oct 15, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVE published
    Aug 3, 2026 · VulDB

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

5 on the record

Elsewhere on this site

GL.iNet
every CVE for this vendor
Memory corruption
same class
CWE-119
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-19983 GL.iNet XE3000 NAS Command Service gl_nas_sys os command injection Aug 17, 2026
  • CVE-2026-19982 GL.iNet BE9300/MT6000 Firewall-management RPC os command injection Aug 17, 2026
  • CVE-2026-19980 GL.iNet XE3000 Language Update ui.update_langs code injection Aug 17, 2026
  • CVE-2026-19981 GL.iNet XE3000 Wi-Fi Timer Power-Schedule Feature os command injection Aug 17, 2026
  • CVE-2026-19979 GL.iNet XE3000 WebDAV Service MOVE authorization Aug 17, 2026
  • CVE-2026-18584 GL.iNet E5800/E750/X2000/X3000/XE3000/XE300 eSIM LPA API v1 improper authorization Aug 3, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No fixed version, patch or mitigation documented.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-18585 is "GL.iNet MT2500 APPS-NAS nas-web.get_file_list heap-based overflow", rated Medium. It affects BE3600 (GL.iNet); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 4.3 describes technical severity. EPSS 0.51% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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