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CVE-2025-52692

Bypass Authentication

Published: Dec 19, 2025Updated: Dec 23, 2025 Sources: CVE List NVD BDUCWE-306
NVD MITRE
8.8CVSSHIGH
EPSS Score
5.6%
Top 8.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-306

Affected Products

Linksys E9450-SGLinksysNetworking Infrastructure
Linksys E9450-SGCisco Systems Inc.
On-prem
Networking Infrastructure / router-switch
e9450-sg firmwarelinksysNetworking Infrastructure
linksyscommercialUSNetworking Infrastructureaka linksys by cisco
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-118/
csa.gov.sg
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-118/
csa.gov.sg
https://medium.com/csit-tech-blog/cve-2025-52692-discovery-and-exploitation-of-zero-day-vulnerability-in-linksys-e9450-sg-router-cda5c829bbf9
medium.com

Timeline

Published
Dec 19, 2025
Last Updated
Dec 23, 2025

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