diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack
Published Apr 11, 2019
9.1
CRITICALCVSS 3.0
EPSS 2.92%
Description
diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.
Affected products
No data.
- 1.03-0022
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AV:N/AC:L/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.92% (0.02924) | 86.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.92% (0.02924) | 85.21th | v5 (v2026.06.15) |
| Jan 22, 2026 | 1.74% (0.01741) | 82.08th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.33% (0.06334) | 90.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.42% (0.11416) | 89.26th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.33% (0.06334) | 90.28th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.66% (0.00658) | 79.77th | v3 (v2023.03.01) |
| May 9, 2024 | 0.66% (0.00658) | 79.43th | v3 (v2023.03.01) |
| Apr 22, 2024 | 0.92% (0.00924) | 82.75th | v3 (v2023.03.01) |
| Apr 4, 2024 | 2.59% (0.02589) | 90.06th | v3 (v2023.03.01) |
| Feb 15, 2024 | 2.17% (0.02165) | 89.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.96% (0.02959) | 89.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.49% (0.12492) | 89.83th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.53% (0.04526) | 76.76th | v1 |
| Jan 6, 2022 | 4.53% (0.04526) | 76.54th | v1 |
| Sep 1, 2021 | 1.05% (0.01046) | 65.02th | v1 |
| Apr 14, 2021 | 1.05% (0.01046) | 0.00th | v1 |
References (3)
- http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/ x_refsource_MISCExploitThird Party Advisory
- https://seclists.org/bugtraq/2019/Mar/41 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/ | x_refsource_MISCExploitThird Party Advisory | |
| https://seclists.org/bugtraq/2019/Mar/41 | mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.