CVE-2021-40655 : An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.

An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page

Published 2021-09-24 21:15:07

Updated 2025-03-12 21:00:31

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-40655

Dlink » Dir-605l Firmware » Version: 2.01mt
cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:*:*:*:*:*:*:*
Matching versions
When used together with: Dlink » Dir-605l » Version: B2

CVE-2021-40655 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

D-Link DIR-605 Router Information Disclosure Vulnerability

CISA required action:

This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

CISA description:

D-Link DIR-605 routers contain an information disclosure vulnerability that allows attackers to obtain a username and password by forging a post request to the /getcfg.php page.

Notes:

https://legacy.us.dlink.com/pages/product.aspx?id=2b09e95d90ff4cb38830ecc04c89cee5; https://nvd.nist.gov/vuln/detail/CVE-2021-40655

Added on 2024-05-16 Action due date 2024-06-06

Exploit prediction scoring system (EPSS) score for CVE-2021-40655

EPSS FAQ

91.87%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 100 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-40655

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0	2024-07-03
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-40655

CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2021-40655

https://github.com/Ilovewomen/D-LINK-DIR-605/

GitHub - Ilovewomen/D-LINK-DIR-605
Exploit;Third Party Advisory
https://www.dlink.com/en/security-bulletin/

Security Bulletin | D-Link
Vendor Advisory

CVEs referencing this url