RCE in Totolink N600r

CVE-2025-51390

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a command injection vulnerability via the pin parameter in the setWiFiWpsConfig function.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-51390?
CVE-2025-51390 is a critical-severity vulnerability in Totolink N600r, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-08-04.
How severe is CVE-2025-51390?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-51390 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.