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A3600r Firmware CVE-2022-36455

HIGH
OS Command Injection (CWE-78)
2022-08-25 cve@mitre.org
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A local attacker with access to the system could execute arbitrary operating system commands on the host.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.1% exploitation probability (EPSS)

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AnalysisAI

TOTOLink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a command injection vulnerability via the username parameter in /cstecgi.cgi. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. TOTOLink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a command injection vulnerability via the username parameter in /cstecgi.cgi. Affected products include: Totolink A3600R Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

TOTOLink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a command injection vulnerability via the username parameter in /cstecgi.cgi.

Threat Intelligence Overview

EPSS Score
1.1%
Top 39% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 1.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

60
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +39
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:totolink:a3600r_firmware:4.1.2cu.5182_b20201102:*:*:*:*:*:*:*
CVE-2022-34993 CRITICAL POC
9.8 Aug 04

Totolink A3600R_Firmware V4.1.2cu.5182_B20201102 contains a hard code password for root in /etc/shadow.sample. Rated cri

CVE-2022-25078 CRITICAL POC
9.8 Feb 24

TOTOLink A3600R V4.1.2cu.5182_B20201102 was discovered to contain a command injection vulnerability in the "Main" functi

CVE-2026-1686 HIGH POC
8.8 Jan 30

Buffer overflow in Totolink A3600R firmware version 5.9c.4959 allows authenticated remote attackers to execute arbitrary

CVE-2024-7187 HIGH POC
8.7 Jul 29

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high severity (CVSS 8.7), this vulnerability

CVE-2024-7186 HIGH POC
8.7 Jul 29

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high severity (CVSS 8.7), this vulnerability

CVE-2024-7185 HIGH POC
8.7 Jul 29

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102 and classified as critical. Rated high severity (CVS

CVE-2024-7184 HIGH POC
8.7 Jul 29

A vulnerability has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102 and classified as critical. Rated high severity

CVE-2024-7183 HIGH POC
8.7 Jul 29

A vulnerability, which was classified as critical, was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high sever

CVE-2024-7182 HIGH POC
8.7 Jul 29

A vulnerability, which was classified as critical, has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102.cgi. Rated h

CVE-2024-7180 HIGH POC
8.7 Jul 29

A vulnerability classified as critical has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high severity (CV

CVE-2024-7179 HIGH POC
8.7 Jul 29

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high severity (CVSS 8.7), this vulnerability

CVE-2024-7178 HIGH POC
8.7 Jul 29

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Rated high severity (CVSS 8.7), this vulnerability

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