Linksys E2500 2.0.00 hnd_parentalctrl_unblock code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Linksys E2500 2.0.00. This affects the function hnd_parentalctrl_unblock. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2024-40495. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Linksys E2500 2.0.00. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

This vulnerability is known as CVE-2024-40495 since 07/05/2024. The exploitation appears to be easy. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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 vulnerability database at EUVD (EUVD-2024-38482). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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

07/05/2024 🔍
07/24/2024 +19 days 🔍
07/24/2024 +0 days 🔍
01/02/2026 +527 days 🔍

Sourcesinfo

Vendor: linksys.com

Status: Not defined

CVE: CVE-2024-40495 (🔍)
GCVE (CVE): GCVE-0-2024-40495
GCVE (VulDB): GCVE-100-272395
EUVD: 🔍

Entryinfo

Created: 07/24/2024 23:14
Updated: 01/02/2026 23:34
Changes: 07/24/2024 23:14 (52), 07/26/2024 12:54 (1), 06/15/2025 09:19 (1), 01/02/2026 23:34 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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