CVE-2020-17456
CriticalExploitedPublic exploitSEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
Published Aug 19, 2020 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-17456 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Slc-130 Firmware (Seowonintech), Slr-120d42g Firmware (Seowonintech), Slr-120s42g Firmware (Seowonintech) and 2 more products.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Apr 12, 2022. Public exploit code is available.
- EPSS estimates a 74% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
74%
Higher than 99.4% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-17456 brief as a PDF
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Description
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Apr 12, 2022 | n/a | Not reported |
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Slc-130 FirmwareSeowonintech | See advisory | n/a |
| Slr-120d42g FirmwareSeowonintech | See advisory | n/a |
| Slr-120s42g FirmwareSeowonintech | See advisory | n/a |
| Slr-120s FirmwareSeowonintech | See advisory | n/a |
| Slr-120t42g FirmwareSeowonintech | See advisory | n/a |
Timeline
Publicly disclosed
Aug 19, 2020
Added to Industry KEV feed
Apr 12, 2022
Added to CIRCL KEV
Oct 14, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttp://packetstormsecurity.com/files/158933/Seowon-SlC-130-Router-Remote-Code-Execution.html
- advisoryhttp://packetstormsecurity.com/files/166273/Seowon-SLR-120-Router-Remote-Code-Execution.html
- advisoryExploitDB-50821
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
Affected: Slc-130 Firmware (Seowonintech); Slr-120d42g Firmware (Seowonintech); Slr-120s42g Firmware (Seowonintech), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Apr 12, 2022.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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