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CVE-2018-10562

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, i…

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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.
CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.95%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 9 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

CloudSEK
Press · 06 Nov 2024, 08:00 · Mozi Resurfaces as Androxgh0st Botnet: Unraveling The Latest Exploitation Wave - CloudSEK
Unit 42
Press · 22 Jan 2021, 08:00 · Network Attack Trends: Internet of Threats (August-October 2020) - Unit 42
www.trendmicro.com
Press · 21 May 2018, 07:00 · GPON Bugs Exploited for Mirai-like Scanning Activities - www.trendmicro.com
The Hacker News
Press · 10 May 2018, 07:00 · 5 Powerful Botnets Found Exploiting Unpatched GPON Router Flaws - The Hacker News
Security Affairs
Press · 08 May 2018, 07:00 · UPDATED – Critical RCE vulnerability found in over a million GPON Home Routers - Security Affairs
See all 9 source documents
Security Affairs
Press · 08 May 2018, 07:00 · Experts released an unofficial patch for Zero-Days in Dasan GPON home routers - Security Affairs
The Hacker News
Press · 08 May 2018, 07:00 · A Simple Tool Released to Protect Dasan GPON Routers from Remote Hacking - The Hacker News
ISPreview UK
Press · 03 May 2018, 07:00 · Security Flaw Exposes Fibre Optic GPON Home Routers to Hackers UPDATE - ISPreview UK
Bitdefender
Press · 02 May 2018, 07:00 · RCE Vulnerability Affects Over 1 Million Dasan Routers - Bitdefender

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
Choudai/GPON-LOADER21Python17 May 2018, 22:15
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:55.555769+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
02 May 2018, 07:00
Published
04 May 2018, 03:00
Added to the CISA KEV catalog
31 Mar 2022, 00:00
Latest press mention
06 Nov 2024, 08:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
1 repositories