Bypass Authentication
Summary
| CVE | CVE-2025-52692 |
|---|---|
| State | PUBLISHED |
| Assigner | CSA |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-19 02:16:05 UTC |
| Updated | 2026-09-30 23:10:00 UTC |
| Description | Successful exploitation of the vulnerability could allow an attacker with local network access to send a specially crafted URL to access certain administration functions without login credentials. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.063640000 probability, percentile 0.934500000 (date 2026-10-02)
Problem Types: CWE-306 | CWE-306 CWE-306 Missing Authentication for Critical Function
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 | Secondary | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Linksys | E9450-sg | - | All | All | All |
| Operating System | Linksys | E9450-sg Firmware | 1.2.00.052 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linksys | Linksys E9450-SG | affected 1.2.00.052 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-118 | 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 | www.csa.gov.sg | Exploit, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Lam Jun Rong (en)
CNA: Javier Koh (en)
CNA: Joseph Teo (en)
Additional Advisory Data
Workarounds
CNA: As the Linksys E9450-SG has reached End-of-Life status, no firmware update is planned for this issue. Users and administrators of the affected product version are advised to: * Disable remote administration * Restrict router management access to trusted devices on the local network * Avoid enabling Telnet access * Consider upgrading to a model actively supported by Linksys