Totolink N200RE 9.3.5u.6139_B20201216 /cgi-bin/cstecgi.cgi setOpModeCfg pppoeUser stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.43

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The weakness was released 01/29/2024. The advisory is available at jylsec.notion.site. This vulnerability is handled as CVE-2024-0997. Technical details as well as a public exploit are known.

The exploit is available at jylsec.notion.site. 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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2024 🔍
01/29/2024 +0 days 🔍
01/29/2024 +0 days 🔍
02/21/2024 +23 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: jylsec.notion.site
Status: Not defined

CVE: CVE-2024-0997 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/29/2024 08:02 AM
Updated: 02/21/2024 09:29 AM
Changes: 01/29/2024 08:02 AM (43), 02/21/2024 09:26 AM (2), 02/21/2024 09:29 AM (28)
Complete: 🔍
Submitter: jylsec
Cache ID: 18:F41:40

Submitinfo

Accepted

  • Submit #270995: TOTOLINK N200RE V9.3.5u.6139_B20201216 buffer overflow (by jylsec)

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