CVE-2025-7564 | THREATINT

Description

A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC3600 1.0.22. Affected by this issue is some unknown functionality of the file /etc/shadow. The manipulation with the input root:blinkadmin leads to hard-coded credentials. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Eine kritische Schwachstelle wurde in LB-LINK BL-AC3600 1.0.22 entdeckt. Dies betrifft einen unbekannten Teil der Datei /etc/shadow. Dank Manipulation mit der Eingabe root:blinkadmin mit unbekannten Daten kann eine hard-coded credentials-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-12 | Published 2025-07-14 | Updated 2025-07-14 | Assigner VulDB

HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

6.8AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Hard-coded Credentials

Use of Hard-coded Password

Product status

1.0.22

affected

Timeline

2025-07-12:	Advisory disclosed
2025-07-12:	VulDB entry created
2025-07-12:	VulDB entry last update

Credits

waiwai24 (VulDB User) reporter

References

vuldb.com/?id.316262 (VDB-316262 | LB-LINK BL-AC3600 shadow hard-coded credentials) vdb-entry technical-description

vuldb.com/?ctiid.316262 (VDB-316262 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.605630 (Submit #605630 | Blink BL-AC3600 V1.0.22 Hard-coded Credentials) third-party-advisory

github.com/.../Hardcoded_Credentials_in_BL-AC3600_Routers.md related

github.com/.../Hardcoded_Credentials_in_BL-AC3600_Routers.md exploit

cve.org (CVE-2025-7564)

nvd.nist.gov (CVE-2025-7564)

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