Buffer overflow in Totolink N300rh

CVE-2026-10187

A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument Key…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (34.7th 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-2026-10187?
CVE-2026-10187 is a critical-severity vulnerability in Totolink N300rh, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2026-05-31.
How severe is CVE-2026-10187?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-10187 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.