What is CVE-2025-55895?

CVE-2025-55895 is a critical-severity vulnerability in Totolink A3300r, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-12-15.

How severe is CVE-2025-55895?

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

Vulnerability in Totolink A3300r

CVE-2025-55895

TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

Published 2025-12-15 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Totolink A3300r
Totolink A3300r Firmware — versions 17.0.0cu.557_b20221024
Totolink N200re
Totolink N200re Firmware — versions 9.3.5u.6437_b20230519

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.totolink.net/ (Product)
github.com/l0tk3/CVES/blob/main/CVE-2025-55895.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55895?: CVE-2025-55895 is a critical-severity vulnerability in Totolink A3300r, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-12-15.
How severe is CVE-2025-55895?: Critical severity. CVSS v3 base score is 9.1 out of 10.