TI-2021-17632 Aliases CVE-2021-40655 GHSA-95fh-63xw-wfh3

An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT.

CRITICAL 90Exploited in the wildCWE-863Published 2021-09-24 · Updated 2025-10-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

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

Why it matters now

Exploitation Active In CISA KEV since 2024-05-16CISA due date 2024-06-06

EPSS 0.87039 99th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Active
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:::::::*	2.01mt	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dir-605l:b2:::::::*	b2	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:*:*:*:*:*:*:* Versions 2.01mt Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dir-605l:b2:*:*:*:*:*:*:* Versions b2 Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

2024-05-16 Added to CISA KEV
2026-10-02 Threatist record created from CVE-2021-40655
2026-10-03 Alias added: GHSA-95fh-63xw-wfh3

References

Exploit 1

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

Advisory 1

https://www.dlink.com/en/security-bulletin/

TI-2024-03070 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi command injection KEVCVSS 3.1CRITICAL 9.8
TI-2024-03069 D-Link DNS-320L/DNS-325/DNS-327L/DNS-340L HTTP GET Request nas_sharing.cgi hard-coded credentials KEVCVSS 3.1CRITICAL 9.8
TI-2024-00708 D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal KEVCVSS 3.1CRITICAL 9.8
TI-2023-10693 OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to… KEVCVSS 3.1CRITICAL 9.8
TI-2022-17249 D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable… KEVCVSS 3.1CRITICAL 9.8
TI-2022-09657 D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE)… KEVCVSS 3.1CRITICAL 9.8

See all 979 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences