CVE-2025-3991 — Vulnetix

CVE-2025-3991 PUBLISHED CVSS 8.699999809265137 HIGH

A vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boafrm/formWdsEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

EPSS 0.49% · 65.8th percentile

Risk Scores

CVSS 4.0

8.699999809265137

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

EPSS Score

0.49%

65.8th percentile

Affected Products

Vendor	Product	Versions
TOTOLINK	N150RT	3.4.0-B20190525
totolink	n150rt_firmware	3.4.0-b20190525

Exploit Intelligence

CIRCL seen: CVE-2025-3991 (circl-sighting)
CIRCL seen: CVE-2025-3991 (circl-sighting)
CIRCL seen: CVE-2025-3991 (circl-sighting)
CIRCL seen: CVE-2025-3991 (circl-sighting)
VDB-306327 | TOTOLINK N150RT formWdsEncrypt buffer overflow (circl)
VDB-306327 | CTI Indicators (IOB, IOC, IOA) (circl)
Submit #557942 | TOTOLINK N150RT V3.4.0-B20190525 Buffer Overflow (circl)
https://www.totolink.net/ (circl)
ET WEB_SPECIFIC_APPS Totolink BufferOverflow Attempt multiple URI endpoints submit-url Parameter Buffer Overflow Attempt (CVE-2025-3990, CVE-2025-3993) (emergingthreats)
ET WEB_SPECIFIC_APPS Totolink BufferOverflow Attempt multiple URI endpoints submit-url Parameter Buffer Overflow Attempt (CVE-2025-3990, CVE-2025-3993) (emergingthreats)

…and 1 more exploits

Timeline

Apr 27, 2025 CVE Published
Apr 28, 2025 EPSS Score
Apr 28, 2025 PoC Published
Apr 28, 2025 PoC Published
Apr 28, 2025 PoC Published
Apr 28, 2025 PoC Published
May 8, 2025 PoC Published
May 10, 2025 EPSS Score
May 20, 2025 Coalition ESS Score
May 22, 2025 EPSS Score
Jun 3, 2025 EPSS Score
Jun 15, 2025 EPSS Score

References

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