Totolink A7000R 4.1cu.4154 /cgi-bin/cstecgi.cgi setUploadUserData FileName command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Totolink A7000R 4.1cu.4154. This affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to command injection. This vulnerability is listed as CVE-2026-1601. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Totolink A7000R 4.1cu.4154 and classified as critical. This issue affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-1601. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available 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 vulnerability database at EUVD (EUVD-2026-4972). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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

01/29/2026 Advisory disclosed
01/29/2026 +0 days VulDB entry created
01/30/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2026-1601 (🔒)
GCVE (CVE): GCVE-0-2026-1601
GCVE (VulDB): GCVE-100-343373
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/29/2026 10:14
Updated: 01/30/2026 04:59
Changes: 01/29/2026 10:14 (56), 01/30/2026 02:17 (1), 01/30/2026 04:59 (30)
Complete: 🔍
Submitter: xuanyu
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #740760: TOTOLINK A7000R V4.1cu.4154 Command Injection (by xuanyu)

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

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