Privilege escalation in Totolink A720r
CVE-2025-4269
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi of the component Log Handler. The manipulation of the argument topicurl with the input clearDiagnosisLog/clearSyslog/clearTracerouteLog leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Totolink A720r — versions 4.1.5cu.374
- Totolink A720r_firmware — versions 4.1.5cu.374
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Exploit)
- cna@vuldb.com (Exploit, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-4269?
- CVE-2025-4269 is a medium-severity vulnerability in Totolink A720r, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2025-05-05.
- How severe is CVE-2025-4269?
- Medium severity. CVSS v3 base score is 6.5 out of 10.