← Vulnerability feed

Vulnerability record · CVE-2025-4462 · published 9 May 2025

CVE-2025-4462: Totolink n150rt firmware memory buffer overflow vulnerability

TTotolink · N150rt Firmware

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.

8.7 CVSS 4.0 High EPSS 1.9% · top 21.5% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
8.7CVSS 4.0 base score, v2 9.0
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/N150RT/BufferOverflow_formWsc_2 ExploitThird Party Advisory
https://vuldb.com/?ctiid.308081 Permissions RequiredVDB Entry
https://vuldb.com/?id.308081 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.565958 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product

Track CVE-2025-4462 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-19825Totolink a3002ru firmware improper authentication vulnerabilityOn certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin…EPSS 30%8.8CVE-2020-25499Totolink a3002r firmware os command injection vulnerabilityTOTOLINK A3002RU-V2.0.0 B20190814.1034 allows authenticated remote users to modify the system's 'Run Command'. An attacker can use this functionality…EPSS 4.2%8.8CVE-2019-19824Totolink a3002ru firmware os command injection vulnerabilityOn certain TOTOLINK Realtek SDK based routers, an authenticated attacker may execute arbitrary OS commands via the sysCmd parameter to the boafrm/for…EPSS 25%8.7CVE-2025-3993Totolink n150rt firmware memory buffer overflow vulnerabilityA vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This issue affects some unknown processing of the file /boaf…EPSS 1.0%8.7CVE-2025-3992Totolink n150rt firmware memory buffer overflow vulnerabilityA vulnerability has been found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This vulnerability affects unknown code of the file /bo…EPSS 1.0%8.7CVE-2025-3991Totolink n150rt firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boafrm/for…EPSS 1.0%8.7CVE-2025-3990Totolink n150rt firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this issue is some unknown function…EPSS 1.0%8.7CVE-2025-3989Totolink n150rt firmware memory buffer overflow vulnerabilityA vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of th…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2025-4462), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.