CVE-2020-35713Re6500 Firmware OS Command Injection
Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to execute arbitrary commands or set a new password via shell metacharacters to the goform/setSysAdm page.
Published Dec 25, 2020 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-35713 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Re6500 Firmware (Linksys).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023. No public exploit code is known.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- Fixed versions are available, including Re6500 Firmware 1.0.012.001.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
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)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
53/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 14, 2023
1023 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
11
Reports of active use
Description
Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to execute arbitrary commands or set a new password via shell metacharacters to the goform/setSysAdm page.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
| Industry KEV feed | Oct 14, 2023 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Re6500 FirmwareLinksys | See advisory | 1.0.012.001 |
Patched Releases
Re6500 Firmware
1.0.012.001
Timeline
Publicly disclosed
Dec 25, 2020
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
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
- advisorybugcrowd.com · linksys-re6500-unauthenticated-rce-working-acro…
- advisorydownloads.linksys.com · ExternalReleaseNotes_RE6500_1.0.012.001.txt
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to execute arbitrary commands or set a new password via shell metacharacters to the goform/setSysAdm page.
Affected: Re6500 Firmware (Linksys). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Re6500 Firmware 1.0.012.001.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2020-35713 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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