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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 7.1 · lb-linkNVD modified 2026-10-18 21:10
Affected (CPE criteria) 1
cpe:2.3:o:lb-link:bl-ac3600_firmware:*:*:*:*:*:*:*:*
References 7
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Exploit, Third Party Advisory
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.316262 Permissions Required, VDB Entry
- https://vuldb.com/?id.316262 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.605630 Third Party Advisory, VDB Entry
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Exploit, Third Party Advisory
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Exploit, Third Party Advisory