CVE-2023-39454

criticalpriority · track · 39EPSS 0.009 · 61 %ileEUJPUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.94% (61st) EPSS

CVSS 9.8 · critical

Is it mine?

16 products

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · jvndb

EPSS · scored 2026-10-27

Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · vultures@jpcert.or.jpexploitability 2.8 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

JVNDB-2023-002797JVN iPedia advisory JVNDB-2023-0027972026-05-15vendor · jvndbJP

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2023-08-18modified 2026-06-17

External citations — patches, advisories, analysis.

scry

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