CVE-2021-40655
· published 2021-09-24
Source record Collected from the National Vulnerability Database (NVD)
CISA Known Exploited Vulnerabilities
CISA lists this CVE as known exploited (added 2024-05-16).
- CISA's name for it: D-Link DIR-605 Router Information Disclosure Vulnerability
- CISA's 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.
- Known ransomware campaign use, per CISA: Unknown
- CISA states: 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.
Source: CISA KEV catalog (CC0 1.0).
Description
Description by MITRE via the CVE Program.
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
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a: affected |
Added by CISA-ADP (Authorized Data Publisher)
| Vendor | Product | Versions |
|---|---|---|
| dlink | dir-605l_firmware | 2.01mt: affected |
| dlink | dir-605l | b2: affected |
Products named in NVD's CPE match criteria (1)
cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 7.5 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1: 7.5 HIGH — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0: 5 MEDIUM — as published by NIST (Primary)
AV:N/AC:L/Au:N/C:P/I:N/A:N - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: active · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://github.com/Ilovewomen/D-LINK-DIR-605/
- https://www.dlink.com/en/security-bulletin/
- https://github.com/Ilovewomen/D-LINK-DIR-605/
- https://www.dlink.com/en/security-bulletin/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40655
Source dates: published 2021-09-24, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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