CVE-2020-10181
CriticalExploitedPublic exploitgoform/formEMR30 in Sumavision Enhanced Multimedia Router (EMR) 3.0.4.27 allows creation of arbitrary users with elevated privileges (administrator) on a device, as demonstrated by a setString=new_useradministrator123456 request.
Published Mar 11, 2020 · Updated Nov 7, 2025
Key Facts
Patch immediately- CVE-2020-10181 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Enhanced Multimedia Router Firmware (Sumavision).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021. Public exploit code is available.
- EPSS estimates a 15% 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)
15%
Higher than 96.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-10181 brief as a PDF
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Description
goform/formEMR30 in Sumavision Enhanced Multimedia Router (EMR) 3.0.4.27 allows creation of arbitrary users with elevated privileges (administrator) on a device, as demonstrated by a setString=new_useradministrator123456 request.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Nov 3, 2021 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Enhanced Multimedia Router FirmwareSumavision | 3.0.4.27 | n/a |
Timeline
Publicly disclosed
Mar 11, 2020
Added to CISA KEV
Nov 3, 2021
Added to Industry KEV feed
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Nov 7, 2025
Weakness Type
- CWE-352 Cross-Site Request Forgery (CSRF)
References
- exploithttp://packetstormsecurity.com/files/156746/Enhanced-Multimedia-Router-3.0.4.27-Cross-Site-Request-Forgery.html
- exploithttps://github.com/s1kr10s/Sumavision_EMR3.0
- exploitVulnCheck exploitation report
- exploithttps://www.youtube.com/watch?v=Ufcj4D9eA5o
- otherhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10181
FAQ
Common Questions.
goform/formEMR30 in Sumavision Enhanced Multimedia Router (EMR) 3.0.4.27 allows creation of arbitrary users with elevated privileges (administrator) on a device, as demonstrated by a setString=new_useradministrator123456 request.
Affected: Enhanced Multimedia Router Firmware (Sumavision) versions 3.0.4.27. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
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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