Remote Manipulation Vulnerability in D-Link DIR-823G by D-Link
CVE-2026-11492

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823g
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11492?

A security vulnerability exists in the D-Link DIR-823G wireless router, specifically within the vsftpd configuration file (/etc/vsftpd.conf). This flaw allows an attacker to exploit the unknown function by conducting remote manipulations, leading to violations of least privilege. The exploit has been publicly released, increasing the risk of potential attacks on systems using this model.

Affected Version(s)

DIR-823G 1.0.2B05

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11492 - Proof of Concept

References

https://vuldb.com/vuln/369112
vdb-entry
https://vuldb.com/vuln/369112/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11492
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

L-14 (VulDB User)
.