Buffer overflow in Totolink N302r Plus
CVE-2025-5672
A vulnerability has been found in TOTOLINK N302R Plus up to 3.4.0-B20201028 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Totolink N302r Plus — versions 3.4.0-B20201028
- Totolink N302r_plus
- Totolink N302r_plus_firmware
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 (exploit, broken-link, Broken Link)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-5672?
- CVE-2025-5672 is a high-severity vulnerability in Totolink N302r Plus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-05.
- How severe is CVE-2025-5672?
- High severity. CVSS v3 base score is 8.8 out of 10.