Vulnerability · Published Jun 8, 2026 · Assigned by VulDB
CVE-2026-11492D-Link DIR-823G vsftpd vsftpd.conf least privilege violation
Medium 4.3
In plain English
A medium-severity security flaw in DIR-823G from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 56.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A security flaw has been discovered in D-Link DIR-823G 1.0.2B05. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Performing a manipulation results in least privilege violation. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
Affected products (as reported)
Weakness: CWE-272, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-369112 | D-Link DIR-823G vsftpd vsftpd.conf least privilege violation vdb-entry
- VDB-369112 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-11492 | CVE Analysis and Report third-party-advisory
- Submit #834816 | D-Link DIR823G V1.0.2B05_20181207 Misconfiguration third-party-advisory
- https://www.notion.so/D-Link-DIR823G-V1-0-2B05_20181207-3671f5ba989080ac97fdc36d2fb5e57d?source=copy_link exploit
- https://www.dlink.com/ product