What is CVE-2026-10141?

CVE-2026-10141 is a critical-severity vulnerability in Totolink, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2026-10-20.

How severe is CVE-2026-10141?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Totolink

CVE-2026-10141

A Unsigned Firmware vulnerability exists in the boa Firmware Update functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted firmware binary can lead to arbitrary firmware update. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Published 2026-10-20.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Totolink — versions TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

talosintelligence.com/vulnerability_reports/TALOS-2026-2440

Frequently asked questions

What is CVE-2026-10141?: CVE-2026-10141 is a critical-severity vulnerability in Totolink, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2026-10-20.
How severe is CVE-2026-10141?: Critical severity. CVSS v3 base score is 9.1 out of 10.