Skip to main content

A3600r Firmware CVE-2022-34993

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2022-08-04 cve@mitre.org
Authentication Bypass A3600r Firmware TOTOLINK
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-798
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK

2 techniques across 2 tactics: Persistence, Credential Access

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

Sign in to read
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived

A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
No patch listed yet 0.9% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Totolink A3600R_Firmware V4.1.2cu.5182_B20201102 contains a hard code password for root in /etc/shadow.sample. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

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.

Sign in to check
Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. Totolink A3600R_Firmware V4.1.2cu.5182_B20201102 contains a hard code password for root in /etc/shadow.sample. Affected products include: Totolink A3600R Firmware.

Know when A3600r Firmware gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources
Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

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

Threat Intelligence Overview

EPSS Score
0.9%
Top 45% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub

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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 0.9%
Patch available No
Active threat No
Deciding rule
CRITICAL severity + public POC available
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
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:totolink:a3600r_firmware:4.1.2cu.5182_b20201102:*:*:*:*:*:*:*

More in A3600r Firmware

View all
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

CVE-2024-7177 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

Same weakness CWE-798 – Use of Hard-coded Credentials

View all
CVE-2016-1560 CRITICAL POC
9.8
CVE-2017-14143 CRITICAL POC
9.8
CVE-2025-14611 HIGH POC
7.1
CVE-2026-22769 CRITICAL
10.0
CVE-2016-5678 CRITICAL POC
9.8
CVE-2017-6558 CRITICAL POC
9.8
CVE-2015-7246 CRITICAL POC
9.8
CVE-2015-4667 CRITICAL POC
9.8

Same technique Authentication Bypass

View all
CVE-2015-3306 CRITICAL POC
10.0
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

References

Advisories & patches
ADVISORY http://www.totolink.cn/home/menu/detail.html?menu_listtpl=download&id=63&ids=36image-20220606105532193

Search Externally

GitHub PoC Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy