Privilege escalation in D-Link Dir-823g
CVE-2026-11492
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- D-Link Dir-823g — versions 1.0.2B05
- Dlink Dir-823g
- Dlink Dir-823g Firmware — versions 1.0.2b05
Weakness classification (CWE)
References
- vuldb.com/cve/CVE-2026-11492 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/834816 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/vuln/369112 (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/369112/cti (signature, Permissions Required, permissions-required, VDB Entry)
- www.dlink.com/ (Product, product)
- www.notion.so/D-Link-DIR823G-V1-0-2B05_20181207-3671f5ba989080ac97fdc36d2fb5e57d (Exploit, exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-11492?
- CVE-2026-11492 is a medium-severity vulnerability in D-Link Dir-823g, classified under Incorrect Privilege Assignment. CVSS score: 4.3/10. Published 2026-06-08.
- How severe is CVE-2026-11492?
- Medium severity. CVSS v3 base score is 4.3 out of 10.