CVE-2020-17456
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter...
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
- Record
CVE-2020-17456- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
- Record
CVE-2020-17456- Updated
- 2026-11-02
EUVDEUVD-2020-9408 No score
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
- Record
EUVD-2020-9408- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6qx4-682c-qrhq
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter...
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
- Record
GHSA-6qx4-682c-qrhq- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78, CWE-94
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Seowon SLR-120 Router - Remote Code Execution (Unauthenticated) | 2022-03-11 |
| Nuclei | SEOWON INTECH SLC-130 & SLR-120S - Unauthenticated Remote Code Execution | |
| PoC in GitHub | Al1ex/CVE-2020-17456 | 2021-01-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-17456 is a critical vulnerability (CVSS 9.8) in Seowonintech Slc-130 Firmware, published August 19, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 74.2%, the 99th percentile. No source names a fixed version.
References
maj0rmil4d.github.io/Seowon-SlC-130-And-SLR-120S-Exploit
packetstormsecurity.com/files/158933/Seowon-SlC-130-Router-Remote-Code-Execution.html
github.com/TAPESH-TEAM/CVE-2020-17456-Seowon-SLR-120S42G-RCE-Exploit-Unauthenticated
exploit-db.com/exploits/50821
nvd.nist.gov/vuln/detail/CVE-2020-17456