Totolink T6 4.1.9cu.5241_B20210923 HTTP POST Request cstecgi.cgi?action=login main v41 buffer overflow
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.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.3
VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 9.8
CNA Vector (VulDB): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/07/2024 🔍01/07/2024 🔍
01/07/2024 🔍
01/25/2024 🔍
Sources
Vendor: totolink.netAdvisory: 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
Entry
Created: 01/07/2024 09:52Updated: 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: 152:AC2:65
Submit
Accepted
- Submit #260562: TOTOLINK T6 V4.1.9cu.5241_B20210923 buffer overflow (by jylsec)
Duplicate
- Submit #XXXXXX: Xxxxxxxx Xx Xx.x.xxx.xxxx_xxxxxxxxx Xxxxxx Xxxxxxxx (by jylsec)
- Submit #XXXXXX: Xxxxxxxx Xx Xx.x.xxx.xxxx_xxxxxxxxx Xxxxxx Xxxxxxxx (by jylsec)
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