What is CVE-2023-48859?

CVE-2023-48859 is a high-severity vulnerability in Totolink A3002ru, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2023-12-06.

How severe is CVE-2023-48859?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Totolink A3002ru

CVE-2023-48859

TOTOLINK A3002RU version 2.0.0-B20190902.1958 has a post-authentication RCE due to incorrect access control, allows attackers to bypass front-end security restrictions and execute arbitrary code.

Vulnerability class: Broken Access Control

Published 2023-12-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.1th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Totolink A3002ru
Totolink A3002ru Firmware — versions 2.0.0-b20190902.1958

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

github.com/xieqiang11/security_research/blob/main/TOTOLINK-A3002RU-RCE.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48859?: CVE-2023-48859 is a high-severity vulnerability in Totolink A3002ru, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2023-12-06.
How severe is CVE-2023-48859?: High severity. CVSS v3 base score is 8.8 out of 10.