CVE-2020-17456

Name: CVE-2020-17456
Creator: NVD / NIST
Published: 2020-08-20T01:17:13.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 70.91%

Last modified Jun 17, 2026

CVE-2020-17456 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.. EPSS estimates a 70.91% chance of exploitation in the next 30 days.

Description

SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

70.91%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Seowonintech	Slc-130 Firmware	All versions
Seowonintech	Slr-120s Firmware	All versions
Seowonintech	Slr-120s42g Firmware	All versions
Seowonintech	Slr-120d42g Firmware	All versions
Seowonintech	Slr-120t42g Firmware	All versions

References

http://packetstormsecurity.com/files/158933/Seowon-SlC-130-Router-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/166273/Seowon-SLR-120-Router-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://github.com/TAPESH-TEAM/CVE-2020-17456-Seowon-SLR-120S42G-RCE-Exploit-UnauthenticatedExploit, Third Party Advisory
https://maj0rmil4d.github.io/Seowon-SlC-130-And-SLR-120S-Exploit/Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/50821Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/158933/Seowon-SlC-130-Router-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/166273/Seowon-SLR-120-Router-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://github.com/TAPESH-TEAM/CVE-2020-17456-Seowon-SLR-120S42G-RCE-Exploit-UnauthenticatedExploit, Third Party Advisory
https://maj0rmil4d.github.io/Seowon-SlC-130-And-SLR-120S-Exploit/Exploit, Third Party Advisory
https://www.exploit-db.com/exploits/50821Third Party Advisory, VDB Entry

Timeline

Published: Aug 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17456?

SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.

How severe is CVE-2020-17456?

CVE-2020-17456 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 70.91% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17456?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17456?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST