Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setTtyServiceCfg ttyEnable os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setTtyServiceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument ttyEnable results in os command injection. This vulnerability was named CVE-2026-6113. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. It has been classified as critical. This affects the function setTtyServiceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument ttyEnable with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-6113. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the databases at CNNVD (CNNVD-202604-2479) and EUVD (EUVD-2026-21702). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9

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

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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

04/11/2026 Advisory disclosed
04/11/2026 +0 days VulDB entry created
04/14/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2026-6113 (🔒)
GCVE (CVE): GCVE-0-2026-6113
GCVE (VulDB): GCVE-100-356973
EUVD: 🔒
CNNVD: CNNVD-202604-2479 - TOTOLINK A7100RU 操作系统命令注入漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/11/2026 10:23
Updated: 04/14/2026 11:46
Changes: 04/11/2026 10:23 (57), 04/12/2026 10:10 (1), 04/14/2026 11:46 (6)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #792246: Totolink A7100RU 7.4cu.2313_b20191024 Command Injection (by LtzHust2)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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