Totolink N350RT 9.3.5u.6139_B202012 /cgi-bin/cstecgi.cgi loginAuth http_host stack-based overflow
Summary
A vulnerability identified as critical has been detected in Totolink N350RT 9.3.5u.6139_B202012. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument http_host causes stack-based overflow.
This vulnerability appears as CVE-2023-7219. The attack may be initiated remotely. In addition, an exploit is available.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 01/07/2024. The advisory is shared at github.com. This vulnerability is known as CVE-2023-7219. Technical details and also a public exploit are known.
It is possible to download the exploit 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.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.totolink.net/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.8
VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 7.2
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: Stack-based overflowCWE: CWE-121 / 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: 🔍
| 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-2023-7219 (🔍)
GCVE (CVE): GCVE-0-2023-7219
GCVE (VulDB): GCVE-100-249853
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/07/2024 09:42Updated: 01/25/2024 07:39
Changes: 01/07/2024 09:42 (43), 01/25/2024 07:33 (2), 01/25/2024 07:39 (28)
Complete: 🔍
Submitter: jylsec
Cache ID: 216::103
Submit
Accepted
- Submit #260110: TOTOLINK Router N350RT V9.3.5u.6139_B20201216 buffer overflow (by jylsec)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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