Skip to main content

T6 Firmware CVE-2022-38823

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2022-09-16 cve@mitre.org
Authentication Bypass T6 Firmware
9.8
CVSS 3.1 · NVD
Share

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 16, 2022 - 15:15 nvd
CRITICAL 9.8

DescriptionNVD

In TOTOLINK T6 V4.1.5cu.709_B20210518, there is a hard coded password for root in /etc/shadow.sample.

AnalysisAI

In TOTOLINK T6 V4.1.5cu.709_B20210518, there is a hard coded 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.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. In TOTOLINK T6 V4.1.5cu.709_B20210518, there is a hard coded password for root in /etc/shadow.sample. Affected products include: Totolink T6 Firmware.

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.

More in T6 Firmware

View all
CVE-2023-7221 CRITICAL POC
9.8 Jan 09

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. Rated critical severity (CVSS 9.8), this vulnerability

CVE-2022-38828 CRITICAL POC
9.8 Sep 16

TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to command injection via cstecgi.cgi. Rated critical severity (CVSS 9.8
CVE-2022-38827 CRITICAL POC
9.8 Sep 16

TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to Buffer Overflow via cstecgi.cgi. Rated critical severity (CVSS 9.8),
CVE-2022-38826 CRITICAL POC
9.8 Sep 16

In TOTOLINK T6 V4.1.5cu.709_B20210518, there is an execute arbitrary command in cstecgi.cgi. Rated critical severity (CV
CVE-2022-25084 CRITICAL POC
9.8 Feb 24

TOTOLink T6 V5.9c.4085_B20190428 was discovered to contain a command injection vulnerability in the "Main" function. Rat
CVE-2025-7460 HIGH POC
8.8 Jul 11

CVE-2025-7460 is a critical buffer overflow vulnerability in the setWiFiAclRules function of TOTOLINK T6 routers (versio
CVE-2022-32053 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the cloneMac parameter in the functio
CVE-2022-32052 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the desc parameter in the function FU
CVE-2022-32051 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the desc, week, sTime, eTime paramete
CVE-2022-32050 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the cloneMac parameter in the functio
CVE-2022-32049 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the url parameter in the function FUN
CVE-2022-32048 HIGH POC
7.5 Jul 01

TOTOLINK T6 V4.1.9cu.5179_B20201015 was discovered to contain a stack overflow via the command parameter in the function

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-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
CVE-2016-10177 CRITICAL POC
9.8

Same technique Authentication Bypass

View all
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-2012-1723 CRITICAL POC
9.8
CVE-2017-10271 HIGH POC
7.5
CVE-2015-1427 CRITICAL POC
9.8
CVE-2025-3248 CRITICAL POC
9.8

Share

CVE-2022-38823 vulnerability details – vuln.today
Back

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