Auth bypass in Tp-Link Tl-Er5120g

CVE-2023-43135

There is an unauthorized access vulnerability in TP-LINK ER5120G 4.0 2.0.0 Build 210817 Rel.80868n, which allows attackers to obtain sensitive information of the device without authentication, obtain user tokens, and ultimately log in to the device backend management.

Vulnerability class: Broken Access Control

EPSS: 0.008 (51.9th 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)

References

Frequently asked questions

What is CVE-2023-43135?
CVE-2023-43135 is a critical-severity vulnerability in Tp-Link Tl-Er5120g, classified under Missing Authorization. CVSS score: 9.8/10. Published 2023-09-20.
How severe is CVE-2023-43135?
Critical severity. CVSS v3 base score is 9.8 out of 10.