Totolink T6 4.1.9cu.5241_B20210923 HTTP POST Request cstecgi.cgi?action=login main v41 buffer overflow

Summaryinfo

A vulnerability marked as critical has been reported in Totolink T6 4.1.9cu.5241_B20210923. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. Performing a manipulation of the argument v41 results in buffer overflow. This vulnerability is known as CVE-2023-7221. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/07/2024. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-7221. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

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

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

01/07/2024 🔍
01/07/2024 +0 days 🔍
01/07/2024 +0 days 🔍
01/25/2024 +18 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2023-7221 (🔍)
GCVE (CVE): GCVE-0-2023-7221
GCVE (VulDB): GCVE-100-249855
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/07/2024 09:52
Updated: 01/25/2024 08:02
Changes: 01/07/2024 09:52 (44), 01/25/2024 07:56 (2), 01/25/2024 08:02 (18)
Complete: 🔍
Submitter: jylsec
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #260562: TOTOLINK T6 V4.1.9cu.5241_B20210923 buffer overflow (by jylsec)

Duplicate

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