What is CVE-2023-43141?

CVE-2023-43141 is a critical-severity vulnerability in Totolink A3700r, classified under Improper Access Control. CVSS score: 9.8/10. Published 2023-09-25.

How severe is CVE-2023-43141?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Totolink A3700r

CVE-2023-43141

TOTOLINK A3700R V9.1.2u.6134_B20201202 and N600R V5.3c.5137 are vulnerable to Incorrect Access Control.

Published 2023-09-25 · last modified 2026-07-09.

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.

EPSS exploit prediction

EPSS: 0.008 (54.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Totolink A3700r
Totolink A3700r Firmware — versions 9.1.2u.6134_b20201202
Totolink N600r
Totolink N600r Firmware — versions 4.3.0cu.7647_b20210106

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/Blue-And-White/vul/blob/main/Iot/TOTOLINK/1/readme.md (Exploit, Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2023-43141?: CVE-2023-43141 is a critical-severity vulnerability in Totolink A3700r, classified under Improper Access Control. CVSS score: 9.8/10. Published 2023-09-25.
How severe is CVE-2023-43141?: Critical severity. CVSS v3 base score is 9.8 out of 10.