CVE-2018-10562 (GCVE-0-2018-10562)

Vulnerability from cvelistv5 – Published: 2018-05-04 03:00 – Updated: 2025-10-21 23:45
VLAI CISA Shadowserver Previdian SiberKapan
Summary
An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the user when the user revisits /diag.html, it's quite simple to execute commands and retrieve their output.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 14:23 UTC
CWE
  • n/a
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2159 records in the last 180 days details
References
Date Public
2018-05-03 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0b840c30-10bc-4195-8d93-61ec8504896e

Vulnerability ID: CVE-2018-10562

Status: Confirmed

Status Updated: 2022-03-31 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-03-31
Asserted: 2022-03-31
Scope
Notes: Dasan GPON Routers Command Injection Vulnerability | Affected: Dasan / Gigabit Passive Optical Network (GPON) Routers | Description: Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10561, exploitation can allow an attacker to perform remote code execution. | Required action: The impacted product is end-of-life and should be disconnected if still in use. | Due date: 2022-04-21 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2018-10562
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-78
Feed CISA Known Exploited Vulnerabilities Catalog
Product Gigabit Passive Optical Network (GPON) Routers
Due Date 2022-04-21
Date Added 2022-03-31
Vendorproject Dasan
Vulnerabilityname Dasan GPON Routers Command Injection Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-11-04 13:34 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9d527e7e-af6c-4b38-96b1-35e0e2107215

Vulnerability ID: CVE-2018-10562

Status: Confirmed

Status Updated: 2026-11-09 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2023-10-13
Asserted: 2023-10-13
Last Seen: 2026-11-09
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Dasan / Dasan GPON Home Router | Class: router | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: yes | Honeypot connections on 2026-11-09: 417
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 336
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class router
7D Avg 332
Vendor Dasan
30D Avg 327
90D Avg 323
Product Dasan GPON Home Router
Cisa Kev yes
Connections 417
Observation Date 2026-11-09
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-06-30 09:22 UTC | Updated: 2026-11-11 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7c7497e4-fc9f-4be7-bc2d-2205309836a7

Vulnerability ID: CVE-2018-10562

Status: Confirmed

Status Updated: 2022-03-31 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-03-31
Asserted: 2022-03-31
Scope
Notes: KEVIntel entry: An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a... | Affected: Dasan / GPON home routers | CVSS: 9.8 (CRITICAL) | EPSS: 0.9995 | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a...
Vendor Dasan
Product GPON home routers
Added Date 2022-03-31T00:00:00.000Z
Cvss Score 9.8
Epss Score 0.9995
Cvss Severity CRITICAL
Epss Percentile 0.99973
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
SiberKapan
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b6c0dd68-2690-4847-8983-583041e09dd9

Vulnerability ID: CVE-2018-10562

Status: Confirmed

Status Updated: 2026-11-07 13:23 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-27
Last Seen: 2026-08-27
Scope
Observation Regions: Western Asia
Asset Exposure: ['internet-facing']
Notes: Observed on SiberKapan honeypot and production web server sensors located in Turkey. Regions reflect sensor coverage, not global exclusivity.
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 80%

Source: SiberKapan

Details
Description GPON router command injection
Attempts 90D 1
Sensor Types honeypot
Signature Strength strong
Distinct Source Ips 90D 1
Successful Exploitation False
References
Created: 2026-11-07 18:06 UTC | Updated: 2026-11-07 18:06 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.