Linksys E9450-SG 1.2.00.052 URL missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linksys E9450-SG 1.2.00.052 and classified as very critical. This affects an unknown function of the component URL Handler. This manipulation causes Remote Code Execution. This vulnerability appears as CVE-2025-52692. The attacker needs to be present on the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in Linksys E9450-SG 1.2.00.052. It has been declared as very critical. Affected by this vulnerability is an unknown part of the component URL Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Lam Jun Rong, Javier Koh and Joseph Teo. It is possible to read the advisory at csa.gov.sg. This vulnerability is known as CVE-2025-52692 since 06/19/2025. The exploitation appears to be easy. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/04/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-204429) and CERT Bund (WID-SEC-2025-2917). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Linksys Router

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (CSA): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/19/2025 CVE reserved
12/19/2025 +183 days Advisory disclosed
12/19/2025 +0 days VulDB entry created
01/04/2026 +16 days VulDB entry last update

Sourcesinfo

Vendor: linksys.com

Advisory: csa.gov.sg
Researcher: Lam Jun Rong, Javier Koh, Joseph Teo
Status: Not defined

CVE: CVE-2025-52692 (🔒)
GCVE (CVE): GCVE-0-2025-52692
GCVE (VulDB): GCVE-100-337543
EUVD: 🔒
CERT Bund: WID-SEC-2025-2917 - Linksys E9450-SG Router: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und Ausführen von beliebigem Programmcode mit Administratorrechten

Entryinfo

Created: 12/19/2025 08:15
Updated: 01/04/2026 18:49
Changes: 12/19/2025 08:15 (62), 12/19/2025 18:02 (1), 12/20/2025 20:09 (2), 01/04/2026 18:49 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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