Zyxel VMG8825-T50K 5.50(ABOM.8)C0 HTTP Request libclinkc buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Zyxel VMG8825-T50K 5.50(ABOM.8)C0. The impacted element is an unknown function in the library libclinkc of the component HTTP Request Handler. The manipulation leads to buffer overflow. This vulnerability is documented as CVE-2024-5412. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Zyxel VMG8825-T50K 5.50(ABOM.8)C0. It has been rated as critical. This issue affects an unknown code in the library libclinkc of the component HTTP Request Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

It is possible to read the advisory at zyxel.com. The identification of this vulnerability is CVE-2024-5412 since 05/27/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/03/2024).

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

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.6
VulDB Temp Score: 8.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Zyxel): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

05/27/2024 🔍
09/03/2024 +99 days 🔍
09/03/2024 +0 days 🔍
09/03/2024 +0 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: zyxel.com
Status: Confirmed

CVE: CVE-2024-5412 (🔍)
GCVE (CVE): GCVE-0-2024-5412
GCVE (VulDB): GCVE-100-276371

Entryinfo

Created: 09/03/2024 08:00
Updated: 09/03/2024 12:04
Changes: 09/03/2024 08:00 (63), 09/03/2024 12:04 (1)
Complete: 🔍
Cache ID: 216::103

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