Immediate
Before a patch is released, reduce exposure immediately and only allow trusted sources to reach the affected service.
root@hackertop:~/vulnfeed/CVE-2026-11620#
CVE-2026-11620
MEDIUM
CVE
⚠ Unpatched · Zero-day◉ PoC 公开
Lifecycle 4/7
TOTOLINK EX200 4.0.3c.7646 vsftpd /etc/vsftpd.conf least privilege violation
LIFECYCLE
4.8
CVSS
Vulnerability Description
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. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Root Cause Analysis
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.
Impact: As an impact it is known to affect integrity.
Exploit: It is possible to download the exploit at notion.so. It is declared as proof-of-concept.
Countermeasure: There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Impact: As an impact it is known to affect integrity.
Exploit: It is possible to download the exploit at notion.so. It is declared as proof-of-concept.
Countermeasure: There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Validation (PoC/EXP) - Looking for Contributors
No public PoC yet
Public validation traces already exist. Community contributors can extend them with richer reproduction content.
Contribute Your PoC/EXP
Log in to contribute PoC/EXP content. Log in
Mitigation Plan - Sorted by Priority
High
Enable extra access controls, WAF/ACL, or reverse-proxy rules for EX200.
High
Use logs and IOCs to hunt through production traffic and confirm whether exploitation traces already exist.
Medium
Keep this issue on the watch list and follow vendor advisories, rollback notices, and new variants.
Vulnerability Lifecycle - Click each stage to inspect details
The issue has entered HackerTop VulnFeed and is now being tracked by the community.
The vulnerability has been synchronized into the platform and entered the visible triage flow.
Initial impact validation is complete based on current disclosure, technical details, and public intelligence.
A public proof path already exists for reference.
No in-the-wild exploitation has been confirmed yet, but monitoring should continue.
No vendor patch is available yet. Apply temporary mitigations first.
Reduce exposure, restrict access, and inspect logs until a permanent fix is available.
4.8
CVSS
Temp Score
4.8
MEDIUM
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metric Details
Attack Vector
Attack Vector
Network
Attack Complexity
Attack Complexity
Low
Privileges Required
Privileges Required
None
User Interaction
User Interaction
None
Confidentiality Impact
Confidentiality Impact
High
Integrity Impact
Integrity Impact
High
Availability Impact
Availability Impact
High
Back to VulnFeed
CVE-2026-11620 · CVSS 4.8 · Active Threat
