CVE-2021-46008

CVSS V2 High 7.9 CVSS V3 High 8.8

Description

In totolink a3100r V5.9c.4577, the hard-coded telnet password can be discovered from official released firmware. An attacker, who has connected to the Wi-Fi, can easily telnet into the target with root shell if the telnet is function turned on.

Overview

CVE ID
CVE-2021-46008

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-03-30T23:15:07

Last Modified Date
2022-04-05T19:08:42

Weakness Enumerations

CWE	URL
CWE-798	http://cwe.mitre.org/data/definitions/798.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:totolink:a3100r_firmware:5.9c.4577:::::::*	1	OR
cpe:2.3:h:totolink:a3100r:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:A/AC:M/Au:N/C:C/I:C/A:C

Access Vector
ADJACENT_NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.9

Severity
HIGH

Exploitability Score
5.5

Impact Score
10

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
http://a3100r.com
https://hackmd.io/ZkeEB-VvRiWBS53rFKG8DQ
http://totolink.com

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-46008
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46008

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:39:59				Added to TrackCVE
2022-12-06 13:49:05	2022-03-30T23:15Z	2022-03-30T23:15:07	CVE Published Date	updated
2022-12-06 13:49:05		2022-04-05T19:08:42	CVE Modified Date	updated
2022-12-06 13:49:05		Analyzed	Vulnerability Status	updated