High severity8.8NVD Advisory· Published Apr 27, 2025· Updated Jun 17, 2026

CVE-2025-3989

Description

A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

Totolink/N150rt Firmware
cpe:2.3:o:totolink:n150rt_firmware:3.4.0-b20190525:*:*:*:*:*:*:*
Totolink/N150RTllm-fuzzy2 versions
3.4.0-B20190525+ 1 more
- (no CPE)range: 3.4.0-B20190525
- (no CPE)range: 3.4.0-B20190525

Patches

Vulnerability mechanics

References

github.com/fizz-is-on-the-way/Iot_vuls/tree/main/N150RT/BufferOverflow_formStaticDHCPnvdExploit
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry
www.totolink.netnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v48.7

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:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

0.97%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2025-3989

Credits

L(
lcyf-fizz (VulDB User)
reporter