Buffer overflow in Totolink N150rt
CVE-2025-4462
A vulnerability, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument localPin leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
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: 0.019 (78.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.019 · change: +0.000
Affected products
- Totolink N150rt — versions 3.4.0-B20190525
- Totolink N150rt Firmware — versions 3.4.0-b20190525
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/fizz-is-on-the-way/Iot_vuls/tree/main/N150RT/BufferOverflow_formWsc_2 (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-4462?
- CVE-2025-4462 is a high-severity vulnerability in Totolink N150rt, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-09.
- How severe is CVE-2025-4462?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-4462 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.