Is CVE-2025-3663 in the CISA KEV catalog?

No. CVE-2025-3663 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-3663?

CVE-2025-3663 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-3663?

CVE-2025-3663 has an EPSS score of 8.04% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-3663?

No published fix for CVE-2025-3663 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-3663

MEDIUMEPSS 94th pctl

5.3

CVSS v3

NVD

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE-266 CWE-284Improper Access Control

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

8.04%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Exploit1

lavender-bicycle-a5a.notion.site

Third-Party Advisory2

Product1

totolink.net

Other references1

vuldb.com

Embed a live status badge for CVE-2025-3663

Markdown

[![CVE-2025-3663](https://tridentstack.com/cve/badge/CVE-2025-3663.svg)](https://tridentstack.com/cve/CVE-2025-3663)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-3663"><img src="https://tridentstack.com/cve/badge/CVE-2025-3663.svg" alt="CVE-2025-3663"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-12.