Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2018-10561

CVE-2018-10561CRITICAL

n/a n/a — Dasan Gigabit Passive Optical Network (GPON) Routers

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .9289   99.8   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Apr 30  Reserved by mitre
  May 4   Published (CNA: mitre)
  Mar 31  Added to CISA KEV, remediation due 2022-04-21

CWE-287 · CNA: mitre · CVSS v3.1 · 4 references · KEV due April 21, 2022

Description

An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 30, 2018	Reserved	Reserved by mitre
May 4, 2018	Published	Published (CNA: mitre)
March 31, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-04-21

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-287

References (4)

http://www.securityfocus.com/bid/107053 [vdb-entry, x_refsource_BID]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10561 [government-resource]
https://www.exploit-db.com/exploits/44576/ [exploit, x_refsource_EXPLOIT-DB]
https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/ [x_refsource_MISC]

Authoritative record: CVE-2018-10561 at cve.org

Weaknesses: CWE-287

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2018-10561 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.