CVE-2025-7564
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.
CVSS
- Version: 4.0
- Vector: CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Base score: 7.1
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.25%
- Percentile among all scored CVEs: 15
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Primary impact
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access90 % - Secondary impact
T1552.007Container APIcredential access85 %
AV:L con PR:L sin UI:R indica escalada de privilegios local. El texto menciona credenciales hardcodeadas (root:blinkadmin) en /etc/shadow, permitiendo obtener acceso con privilegios elevados y lectura de credenciales almacenadas.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (1)
CWEs
- CWE-259, CWE-798
- CWE-798
References
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc
- https://vuldb.com/?ctiid.316262
- https://vuldb.com/?id.316262
- https://vuldb.com/?submit.605630
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc
Raw JSON (NVD)
Show
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