TOTOLINK EX200 4.0.3c.7646 vsftpd /etc/vsftpd.conf least privilege violation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k1.37

Summaryinfo

A vulnerability identified as critical has been detected in TOTOLINK EX200 4.0.3c.7646. This impacts an unknown function of the file /etc/vsftpd.conf of the component vsftpd. This manipulation causes least privilege violation. This vulnerability is handled as CVE-2026-11620. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in TOTOLINK EX200 4.0.3c.7646 and classified as critical. Affected by this vulnerability is some unknown functionality of the file /etc/vsftpd.conf of the component vsftpd. The manipulation with an unknown input leads to a least privilege violation vulnerability. The CWE definition for the vulnerability is CWE-272. The elevated privilege level required to perform operations such as chroot() should be dropped immediately after the operation is performed. As an impact it is known to affect integrity.

The advisory is shared at notion.so. This vulnerability is known as CVE-2026-11620. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is possible to download the exploit at notion.so. 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.

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

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Least privilege violation
CWE: CWE-272 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

06/08/2026 Advisory disclosed
06/08/2026 +0 days VulDB entry created
06/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: notion.so
Status: Not defined

CVE: CVE-2026-11620 (🔒)
GCVE (CVE): GCVE-0-2026-11620
GCVE (VulDB): GCVE-100-369301
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/08/2026 22:19
Changes: 06/08/2026 22:19 (55)
Complete: 🔍
Submitter: L-14
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #834825: TOTOLink EX200 V4.0.3c.7646 Misconfiguration (by L-14)

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